Map library · USA coins and relics

USA coin and relic map layers

Every layer on the nationwide map, with a picture, what it is for, its limits, its source and the plan that opens it. Start with the free ones.

45 layers for coin and relic detecting across the USA, in 12 categories. 2 are free on every plan: Ghost Towns and Historic Topo (by era). 40 more open with Explorer. 3 need Pro.

45 layers12 categoriesFree 2Explorer 40Pro 3

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Dynamic LiDAR™ in USA coins and relics, drawn over satellite imagery

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

Historic Places

© Mapbox, © Maxar
Historic PlacesFree
Ghost Towns
Historic towns and populated places from the USGS GNIS gazetteer.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Free. Opens on every plan, including Free.
Open in the app
About this layer
Ghost-town records identify places associated with former settlements. Compare the records with old maps, roads and terrain to understand the wider site. A historic settlement may now lie on private or protected land.
What it is for
Read the available record and compare its date, description and location with other historical sources.
Limits
Record locations may be generalised or approximate. Historic interest does not establish permission to detect or disturb a site.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historic Places
Historic Established Places
Post Office
Populated Place
Cemetery
School
Church
Mine
Ghost Towns
Town
Military
Crossing
© Mapbox, © Maxar
Historic PlacesExplorer
Historic Established Places
Towns and places coloured by the era they were established. Toggle on, then use the slider to step through 25-year periods.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic place records identify locations associated with earlier settlement or activity. Use the available dates and details to compare them with old maps. Some places still exist, while others have changed or disappeared.
What it is for
Read the available record and compare its date, description and location with other historical sources.
Limits
Record locations may be generalised or approximate. Historic interest does not establish permission to detect or disturb a site.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historic Places
Historic Established Places
Post Office
Populated Place
Cemetery
School
Church
Mine
Ghost Towns
Town
Military
Crossing
© Mapbox, © Maxar
Historic PlacesExplorer
Historic Mine Locations
Mine and prospect symbols digitised from historic USGS topographic maps, useful for locating old workings and camps.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
These symbols were recorded on older topographic maps to mark mining features. They are useful clues to past workings, even when little is visible today. A map symbol does not confirm a working still exists or is safe to approach.
What it is for
Read the available record and compare its date, description and location with other historical sources.
Limits
Record locations may be generalised or approximate. Historic interest does not establish permission to detect or disturb a site.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historic Mine Locations
Mine
Adit / Shaft
Prospect Pit
Tailings

Historic USGS Topo Maps

© Mapbox, © Maxar
Historic USGS Topo MapsFree
Historic Topo (by era)
Historical maps show how an area was recorded in an earlier period.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Free. Opens on every plan, including Free.
Open in the app
About this layer
Historical maps show how an area was recorded in an earlier period. Compare old roads, buildings, boundaries and workings with the modern basemap. Scans can be misaligned, and features may have moved or disappeared.
What it is for
Compare the old map with the modern basemap using opacity. Check the selected map or era before interpreting a feature.
Limits
Old maps can be stretched, incomplete or offset from modern coordinates. Treat locations as clues rather than exact positions.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historic USGS Topo Maps
Scanned historical USGS topo maps. Use the era slider to change the decade shown.
Topographic map
Filters in the app
Era filter
Draws from zoom 0.

Shipwrecks

© Mapbox, © Maxar
ShipwrecksExplorer
Shipwrecks
Shipwreck records identify reported wreck locations.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Shipwreck records identify reported wreck locations. They help you research maritime history and the surrounding waterways. Locations may be approximate, and wrecks can be protected or unsafe to approach.
What it is for
Read the record details and compare the reported location with other historical sources.
Limits
Reported positions can be approximate. This layer is not navigation advice or permission to access or recover material.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Shipwrecks
Not for navigation.
Shipwreck
Filters in the app
Presence filter

Historical Heatmaps

© Mapbox, © Maxar
Historical HeatmapsExplorer
Ghost Towns
Ghost-town records identify places associated with former settlements.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Ghost-town records identify places associated with former settlements. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
Old Schools
Old-school records help you research where education and community activity took place.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Old-school records help you research where education and community activity took place. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
River Crossings & Ferries
Crossing and ferry records show places associated with people moving across waterways.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Crossing and ferry records show places associated with people moving across waterways. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
Homesteads & Plantations
Homestead and plantation records identify places associated with earlier farms and settlement.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Homestead and plantation records identify places associated with earlier farms and settlement. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
Mills
Mill records show places associated with processing grain, timber or other material.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Mill records show places associated with processing grain, timber or other material. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
Military (all)
These records identify places associated with forts, camps, batteries or other historic military activity.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
These records identify places associated with forts, camps, batteries or other historic military activity. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
Forts, Camps & Batteries
These records identify places associated with forts, camps, batteries or other historic military activity.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
These records identify places associated with forts, camps, batteries or other historic military activity. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
Civil War Battles
Battle records identify reported locations associated with the selected conflict.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Battle records identify reported locations associated with the selected conflict. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
Revolutionary War Battles
Battle records identify reported locations associated with the selected conflict.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Battle records identify reported locations associated with the selected conflict. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles
© Mapbox, © Maxar
Historical HeatmapsExplorer
War of 1812 Battles
Battle records identify reported locations associated with the selected conflict.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Battle records identify reported locations associated with the selected conflict. The heat shading highlights concentrations of these recorded sites. Compare the individual records with old maps; stronger shading does not tell you how many objects remain.
What it is for
Read the legend and compare stronger and weaker concentrations with the individual records, where available.
Limits
A stronger colour can reflect more recording or surveying. It is not a count of finds still in the ground or an exact search location.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historical Heatmaps
Heat shows site concentrations when zoomed out; from zoom 11 the individual sites appear. Tap one for details.
Ghost Towns
Old Schools
River Crossings & Ferries
Homesteads & Plantations
Mills
Military (all)
Forts, Camps & Batteries
Civil War Battles
Revolutionary War Battles
War of 1812 Battles

Battlefield Areas

© Mapbox, © Maxar
Battlefield AreasExplorer
Civil War
Battlefield areas map the extent of recorded studies or core fighting areas.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Battlefield areas map the extent of recorded studies or core fighting areas. Use them to understand the wider historic landscape and check protections. A study boundary is not a detecting permission boundary.
What it is for
Read the available record and compare its date, description and location with other historical sources.
Limits
Record locations may be generalised or approximate. Historic interest does not establish permission to detect or disturb a site.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Disclaimer: Shown for historical reference only. Detecting or removing artifacts on protected battlefields (NPS, federal, tribal, or state land) is illegal under federal and state law, and private land needs the owner’s permission. Check the specific site’s rules before detecting.
Legend
Battlefield Areas
Civil War
Revolutionary War
War of 1812
© Mapbox, © Maxar
Battlefield AreasExplorer
Revolutionary War
Battlefield areas map the extent of recorded studies or core fighting areas.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Battlefield areas map the extent of recorded studies or core fighting areas. Use them to understand the wider historic landscape and check protections. A study boundary is not a detecting permission boundary.
What it is for
Read the available record and compare its date, description and location with other historical sources.
Limits
Record locations may be generalised or approximate. Historic interest does not establish permission to detect or disturb a site.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Disclaimer: Shown for historical reference only. Detecting or removing artifacts on protected battlefields (NPS, federal, tribal, or state land) is illegal under federal and state law, and private land needs the owner’s permission. Check the specific site’s rules before detecting.
Legend
Battlefield Areas
Civil War
Revolutionary War
War of 1812
© Mapbox, © Maxar
Battlefield AreasExplorer
War of 1812
Battlefield areas map the extent of recorded studies or core fighting areas.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Battlefield areas map the extent of recorded studies or core fighting areas. Use them to understand the wider historic landscape and check protections. A study boundary is not a detecting permission boundary.
What it is for
Read the available record and compare its date, description and location with other historical sources.
Limits
Record locations may be generalised or approximate. Historic interest does not establish permission to detect or disturb a site.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Disclaimer: Shown for historical reference only. Detecting or removing artifacts on protected battlefields (NPS, federal, tribal, or state land) is illegal under federal and state law, and private land needs the owner’s permission. Check the specific site’s rules before detecting.
Legend
Battlefield Areas
Civil War
Revolutionary War
War of 1812

National Historic Trails

© Mapbox, © Maxar
National Historic TrailsExplorer
Historic Railroads
Historic railroad lines (with date built / gauge attributes). Tap a line for details.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic railroad records show earlier rail routes. They can help you connect old settlements, industry and transport sites on historical maps. A former railway is not necessarily abandoned, accessible or safe to walk.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Historic Railroads
Line colour shows the year the railroad was in operation by.
1830
1845
1859
1873
1888
1902
1916
© Mapbox, © Maxar
National Historic TrailsExplorer
California
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Oregon
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Mormon Pioneer
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Santa Fe
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Old Spanish
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Nez Perce (Nee-Me-Poo)
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Butterfield Overland
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Trail of Tears
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark
© Mapbox, © Maxar
National Historic TrailsExplorer
Lewis & Clark
Historic trails show mapped routes associated with earlier travel and migration.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Historic trails show mapped routes associated with earlier travel and migration. Compare them with terrain, settlements and old maps to research a route. The historic alignment may cross private or protected land and may not be a current walking trail.
What it is for
Compare the old route with modern roads, settlements and terrain to research how people moved through the area.
Limits
The route may be approximate, changed or no longer visible. It does not establish a present-day right of access.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
National Historic Trails
California
Oregon
Mormon Pioneer
Santa Fe
Old Spanish
Nez Perce
Butterfield Overland
Trail of Tears
Lewis & Clark

Roads & Tracks

© Mapbox, © Maxar
Roads & TracksExplorer
BLM Roads & Trails
BLM road and trail network: ground transport routes, public motorised roads, limited-use roads, and national scenic trails.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Roads and tracks show mapped routes through the area. Compare them with land boundaries and terrain when planning how to reach a location. A mapped route may be closed, private or unsuitable for your vehicle.
What it is for
Compare routes with the terrain and land boundaries when planning how to reach an area.
Limits
A line on the map does not guarantee a public, open or passable route. Conditions and access can change.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Roads & Trails
MVUM Roads
4WD High Clearance
ATV Open
Motorcycle Open
Other Roads
BLM Roads
Scenic / Historic Trail
Public Motorized
Limited Public Motor
Ground Transport
© Mapbox, © Maxar
Roads & TracksExplorer
MVUM Roads
Motor Vehicle Use Map (MVUM) roads from the U.S. Forest Service designated for motorised vehicle use.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Motor Vehicle Use Maps show designated vehicle routes on the mapped Forest Service land. Read the route details for the vehicle type and season where available. Check current closures and conditions before travelling.
What it is for
Compare routes with the terrain and land boundaries when planning how to reach an area.
Limits
A line on the map does not guarantee a public, open or passable route. Conditions and access can change.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Roads & Trails
MVUM Roads
4WD High Clearance
ATV Open
Motorcycle Open
Other Roads
BLM Roads
Scenic / Historic Trail
Public Motorized
Limited Public Motor
Ground Transport
Draws from zoom 14.

Watercourses

© Mapbox, © Maxar
WatercoursesExplorer
Rivers, Streams & Drainages
Waterways show the mapped routes of rivers, creeks and drainage lines.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Waterways show the mapped routes of rivers, creeks and drainage lines. Follow their connections and compare them with terrain when researching how sediment moves. A mapped waterway may be dry or altered, and does not establish access.
What it is for
Follow drainage connections and compare them with terrain. Read the selected layer name and legend to distinguish feature types.
Limits
A mapped waterway may be dry, altered or difficult to cross. It does not establish access or permission to work in the waterway.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Watercourses
Streams (by order)
Major River (6+)
Medium Stream (4-5)
Small Stream (2-3)
Creek (1)
Water Bodies
Lake / Reservoir

Land Use & Access

© Mapbox, © Maxar
Land Use & AccessExplorer
PLSS Survey Grid
Public Land Survey System (PLSS) grid showing townships, sections, and intersected areas.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
The Public Land Survey System divides land into townships, sections and smaller surveyed units. Use the grid to locate land descriptions and relate them to records. Grid lines are reference boundaries, not mining claim boundaries or public access routes.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Land Use & Access
Property Boundaries
PLSS Survey Grid
Surface Mgmt Agencies
BLM Recreation Sites
BLM Admin Units
© Mapbox, © Maxar
Land Use & AccessExplorer
Surface Management Agency Areas
BLM Surface Management Agency boundaries showing which federal, state, or local agency manages each parcel.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Surface management areas show the agency or organisation recorded as managing the land surface. Start here to identify whose guidance to check. Surface management can differ from mineral ownership and does not settle access by itself.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Surface Management Agencies
BLM
USFS
NPS
FWS
BOR
MILITARY
TRIBAL
STATE TRUST
STATE PARK
LOCAL GOVT
Filters in the app
Category filter
© Mapbox, © Maxar
Land Use & AccessExplorer
BLM Recreation Sites
Bureau of Land Management recreation sites including campgrounds, trailheads, and day-use areas.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
These records identify mapped recreation sites. They help you research facilities and managed places near your route. Check the site rules; a recreation site is not necessarily a permitted detecting area.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
BLM
Recreation Sites
Campground
Trail Head
OHV Area
Boat Launch / Ramp
Info / Visitor Center
Picnic Area
Scenic / POI
Water Access
Parking / Staging
Facilities (Other)
Admin Boundaries
Field Office Boundary
© Mapbox, © Maxar
Land Use & AccessExplorer
BLM Administrative Units
Bureau of Land Management administrative boundaries including field offices and district offices.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Bureau of Land Management administrative boundaries identify the offices or management units responsible for an area. Use them to find the right source of local information. The boundary does not mean every place inside it is open to detecting.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
BLM
Recreation Sites
Campground
Trail Head
OHV Area
Boat Launch / Ramp
Info / Visitor Center
Picnic Area
Scenic / POI
Water Access
Parking / Staging
Facilities (Other)
Admin Boundaries
Field Office Boundary
© Mapbox, © Maxar
Land Use & AccessPro
Property Boundaries
Property boundaries show how the land is divided into parcels.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Pro. Opens with Pro.
Open in the app
About this layer
Property boundaries show how the land is divided into parcels. Use the outlines to identify the land you want to research and check the available parcel details. A boundary does not give permission to enter or establish a public route.
What it is for
Use the outlines to identify the parcel you want to research, then check the relevant land records and access arrangements.
Limits
Map boundaries can be approximate. A parcel outline does not identify a public route or give permission to enter.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Land Use & Access
Property Boundaries
PLSS Survey Grid
Surface Mgmt Agencies
BLM Recreation Sites
BLM Admin Units
Draws from zoom 13.

Protected Areas

© Mapbox, © Maxar
Protected AreasExplorer
Military Areas
Active military installations and restricted zones. No public access. Detecting is strictly prohibited.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Military area boundaries help identify land associated with military use. Check these early when planning access. A boundary is not permission to enter, and old or apparently unused areas can still have restrictions.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Restricted Areas
Military
Critical Habitat
Wilderness Study Area
Wilderness Area
Nat. Monument / Conservation
Fish & Wildlife
© Mapbox, © Maxar
Protected AreasExplorer
Critical Habitat Areas
Areas designated as critical habitat for threatened or endangered species. Ground disturbance may be restricted.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Critical habitat areas show areas designated as important to particular species. Use the boundary to identify the designation around your location and check the responsible authority's current information. The map does not establish permission to enter or detect.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Restricted Areas
Military
Critical Habitat
Wilderness Study Area
Wilderness Area
Nat. Monument / Conservation
Fish & Wildlife
© Mapbox, © Maxar
Protected AreasExplorer
Wilderness Study Areas
Wilderness Study Areas (WSAs) managed to preserve wilderness character. Mechanised equipment is generally prohibited.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Wilderness study areas show land being considered or managed for its wilderness characteristics. Use the boundary to identify the designation around your location and check the responsible authority's current information. The map does not establish permission to enter or detect.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Restricted Areas
Military
Critical Habitat
Wilderness Study Area
Wilderness Area
Nat. Monument / Conservation
Fish & Wildlife
© Mapbox, © Maxar
Protected AreasExplorer
Wilderness Areas
Congressionally designated Wilderness Areas. No motorised or mechanised equipment allowed.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Wilderness areas show land designated for wilderness protection. Use the boundary to identify the designation around your location and check the responsible authority's current information. The map does not establish permission to enter or detect.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Restricted Areas
Military
Critical Habitat
Wilderness Study Area
Wilderness Area
Nat. Monument / Conservation
Fish & Wildlife
© Mapbox, © Maxar
Protected AreasExplorer
National Monument Areas
National Monuments and National Conservation Areas. Mining and mineral entry are typically withdrawn.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
National monument areas show land designated for important natural, historic or scientific features. Use the boundary to identify the designation around your location and check the responsible authority's current information. The map does not establish permission to enter or detect.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Restricted Areas
Military
Critical Habitat
Wilderness Study Area
Wilderness Area
Nat. Monument / Conservation
Fish & Wildlife
© Mapbox, © Maxar
Protected AreasExplorer
Fish & Wildlife Areas
National Wildlife Refuges managed by U.S. Fish & Wildlife Service. Detecting is generally not permitted.
Read the write-up
© Mapbox, © Maxar
The layer drawn over satellite imagery. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Fish and wildlife areas show land managed for wildlife or habitat purposes. Use the boundary to identify the designation around your location and check the responsible authority's current information. The map does not establish permission to enter or detect.
What it is for
Turn on the relevant layers together and read their legends and notes. Check current conditions with the land manager before planning a visit.
Limits
An unshaded area is not automatically available for detecting. Different permissions and restrictions can overlap.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Restricted Areas
Military
Critical Habitat
Wilderness Study Area
Wilderness Area
Nat. Monument / Conservation
Fish & Wildlife

Contours

© Mapbox, © Maxar
ContoursExplorer
Contours
Contour lines join places at the same height.
Read the write-up
© Mapbox, © Maxar
A screen from the Detector Maps app. Satellite imagery © Mapbox, © Maxar.
Explorer. Opens with Explorer or Pro. On the Free plan it works inside your one free area of 250 km².
Open in the app
About this layer
Contour lines join places at the same height. Closely spaced lines usually show steeper ground; wider gaps show gentler slopes. Use the height labels and nearby waterways to understand ridges, valleys and possible routes.
What it is for
Closely spaced lines indicate steeper ground. Use the labels and terrain together to understand ridges, slopes and valleys.
Limits
Contours simplify the terrain at their map scale. Small workings, obstacles and local hazards may not appear.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Legend
Contours
Contour Lines

Terrain+™ LiDAR

© Mapbox, © Maxar
Terrain+™ LiDARPro
Terrain+™ Analysis
Outline an area of any shape up to 3 miles across over USGS 1 m lidar and see the ground full screen as a 3D surface, with a VE slider to raise or flatten it. Any layer can be draped over it. It shows Dynamic LiDAR™, turned on as it is built, and its LiDAR button sets Dynamic LiDAR™'s look on the model and the map alike: hillshade, slope, local relief, sky view and openness, multi-scale relief, VAT, red relief, Multi-Light PCA or the SVF/LRM Composite, each with settings to bring out the features you are after. Save a model with the button beside the X to keep it on the phone for 30 days and open it from the Terrain+™ LiDAR menu in the field, without a connection.
Read the write-up
© Mapbox, © Maxar
Terrain+ builds a 3D model of an outlined area and shows Dynamic LiDAR on it. This is that Dynamic LiDAR look (Dana Common, Massachusetts), not a 3D screenshot. Satellite imagery © Mapbox, © Maxar.
Pro. Opens with Pro.
Open in the app
About this layer
Terrain+™ Analysis builds a 3D model of an area of ground you outline, any shape up to 3 miles across, from the USGS 1 m lidar. Raise the VE slider to make low banks, pits and hollows easier to see and drape any layer over the model. It shows Dynamic LiDAR™ in the look you choose, such as local relief, sky view or VAT. The model shows the ground surface the lidar measured, not what lies beneath it.
What it is for
Tap round the area you want to model, build it, then tilt, turn and raise the VE slider to bring out low banks, pits and hollows. Drape any layer over it. The model shows Dynamic LiDAR™, turned on as it is built: its LiDAR button sets the look (hillshade, slope, local relief, sky view and openness, VAT and more), each with settings to bring out the features you are after.
Limits
The model shows the ground surface the lidar measured, not what lies beneath it. Detail and dates vary between surveys, and gaps are filled from the ground around them.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
© Mapbox, © Maxar
Terrain+™ LiDARPro
Dynamic LiDAR™
Dynamic LiDAR™ draws the USGS's 1 m lidar over the map on the phone as you move, from zoom 11 in, in any of Terrain+™'s relief renderings (hillshade, slope, local relief, sky view and openness, multi-scale relief, VAT and red relief), Multi-Light PCA or the SVF/LRM Composite.
Read the write-up
© Mapbox, © Maxar
Drawn by the app's own engine from the live survey files at Dana Common, Massachusetts. Satellite imagery © Mapbox, © Maxar.
Pro. Opens with Pro.
Open in the app
About this layer
Dynamic LiDAR™ draws the USGS's 1 m lidar over the map on the phone as you move, from zoom 11 in, in any of Terrain+™'s relief renderings (hillshade, slope, local relief, sky view and openness, multi-scale relief, VAT and red relief), Multi-Light PCA or the SVF/LRM Composite. Change a rendering's settings with the LiDAR button or in Active Layers and the map redraws straight away. Where the USGS has no 1 m lidar the map stays clear. It shows the ground surface the lidar measured, not what lies beneath it.
What it is for
Open its filter in Active Layers and choose a rendering from the pictures, drawn from the ground in the middle of the view. Move a setting and the map redraws: a lower sun for faint banks, a radius about the width of the features you are after.
Limits
It shows the ground surface the lidar measured, not what lies beneath it. It needs a connection, and new ground takes a moment to draw.
Source
Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™
Draws from zoom 11.

Sources

Where the data comes from.

Every card names its source. The sources named on this page are:

Data © USGS, BLM, USFWS, USFS; styling © Detector Maps™

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

Plans

What the pills mean.

Every layer shows the plan that opens it. The free plan never runs out. Prices are shown once, here.

Free

Open on every plan, forever. Includes ghost towns and old topo maps.

Explorer

Opens every base layer, and offline maps for the areas you choose. $59.99 a year or $7.99 a month.

Pro

Dynamic LiDAR and Terrain+ 3D models. Property boundaries with landowner names. Starting a land permission from a parcel. $99.99 a year or $11.99 a month.

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

Prices are in US dollars.

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USA coin and relic map layers

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Historic Places

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

Historic USGS Topo Maps

About this layer

What it is for

Limits

Source

Legend

Filters in the app

Shipwrecks

About this layer

What it is for

Limits

Source

Legend

Filters in the app

Historical Heatmaps

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for

Limits

Source

Legend

About this layer

What it is for