Detector Maps
Start free for 3 days on any yearly plan — nothing charged until the trial ends.
Public, private, or off-limits?
The access layers show who manages and owns the surface — BLM, Forest Service, private, protected — plus the PLSS grid and the roads, tracks and recreation sites to get there. Read it before you drive, and stay on the right side of the line.
Four ways prospectors put it to work
Surface management & ownership
See who manages and owns the ground — public, private or protected.
PLSS section grid
Township, range and section so you can describe and locate ground precisely.
Roads, tracks & MVUM
BLM tracks and MVUM forest roads — know what you can drive.
Sites & protected areas
BLM offices and sites, plus protected areas to avoid.
Everything you need to access the ground
Surface management agencies
Who manages each parcel of public land.
Land ownership & boundaries
Property boundaries with ownership attributes.
PLSS sections
Township / range / section grid.
BLM sites
BLM-managed recreation and access sites.
BLM offices
Where to check claims and permits.
BLM tracks
Public-land tracks and trails.
MVUM roads
Motor Vehicle Use Map forest roads.
Protected areas
Ground that's off-limits to prospecting.
Watercourses
Creeks and drainages for placer work.
Public land & access questions, straight answers.
The access layers show surface management and ownership — public BLM and Forest Service ground is generally open; private and protected ground is not. Always confirm locally.
The Public Land Survey System — the township, range and section grid used to describe federal land and locate claims.
The Forest Service Motor Vehicle Use Map — which roads and tracks you’re legally allowed to drive.
No. It’s the best available mapping to help you plan — always confirm access and claim status with the managing agency.
Explore the other layers.
Layers that pair with public land
Prospect smarter, not harder. .
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