Every source, named.
The map is built from 17 public datasets. Several carry licences that require attribution — so we list every one, with its source and terms. This page is generated from the live layer manifest; it can’t fall out of date with what the map actually serves.
Nothing scraped · nothing guessed · everything checkable
BLM MLRS mining claims (live service)
source ↗Bureau of Land Management, Mineral & Land Records System (MLRS)
- Licence
- Public domain (U.S. Government work)
- Vintage
- live service; claim boundaries approximate (PLSS-derived)
BLM NLCS Wilderness & Wilderness Study Areas
source ↗Bureau of Land Management, National Landscape Conservation System
- Licence
- Public domain (U.S. Government work)
- Vintage
- live service
BLM Surface Management Agency (SMA, limited scale)
source ↗Bureau of Land Management, Surface Management Agency dataset
- Licence
- Public domain (U.S. Government work)
- Vintage
- live service; generalized boundaries (limited scale)
Detector prospectivity engine v1 (PU-bagged gradient boosting)
source ↗Detector engine over USGS/Copernicus/ESA open data (see input layers)
- Licence
- Derived work; inputs are public-domain / attribution sources recorded per slot
- Vintage
- retrained on demand; validation report attached to each layer
Detector prospectivity engine v1.2 (lode PU-GBM + placer process track)
source ↗Detector engine over USGS/Copernicus/ESA open data (see input layers)
- Licence
- Derived work; inputs are public-domain / attribution sources recorded per slot
- Vintage
- retrained on demand; validation report attached to each layer
Sentinel-2 L2A (Copernicus, via Earth Search / AWS open data)
source ↗Contains modified Copernicus Sentinel data, processed by ESA / Element 84 Earth Search
- Licence
- Free use with attribution (Copernicus Sentinel data terms)
- Vintage
- current mission (composite window recorded per layer)
USFS Motor Vehicle Use Map (MVUM)
source ↗U.S. Forest Service, Motor Vehicle Use Maps
- Licence
- Public domain (U.S. Government work)
- Vintage
- live service
USGS 3DEP 1 m LiDAR-derived DEM
source ↗U.S. Geological Survey, 3D Elevation Program (3DEP)
- Licence
- Public domain (U.S. Government work)
- Vintage
- current (3DEP rolling releases)
USGS 3DEP 1/3 arc-second (10 m)
source ↗U.S. Geological Survey, 3D Elevation Program (3DEP)
- Licence
- Public domain (U.S. Government work)
- Vintage
- current (3DEP rolling releases)
USGS Historical Topographic Map Collection
source ↗U.S. Geological Survey, Historical Topographic Map Collection
- Licence
- Public domain (U.S. Government work)
- Vintage
- 1946–1969 editions
USGS MRDS (Mineral Resources Data System)
source ↗U.S. Geological Survey, Mineral Resources Data System (MRDS)
- Licence
- Public domain (U.S. Government work)
- Vintage
- 2011 (systematic updates ceased; best available global set)
USGS national aeroradiometric grids (NURE, K/eTh/eU)
source ↗U.S. Geological Survey, national aeroradiometric compilation (Duval and others; NURE program)
- Licence
- Public domain (U.S. Government work)
- Vintage
- 2005 compilation of 1970s-80s NURE flights
USGS National Hydrography Dataset (flowlines)
source ↗U.S. Geological Survey, National Hydrography Dataset
- Licence
- Public domain (U.S. Government work)
- Vintage
- live service
USGS NGDB stream-sediment geochemistry
source ↗U.S. Geological Survey, National Geochemical Database (sediment)
- Licence
- Public domain (U.S. Government work)
- Vintage
- compilation 1960s-2020s (NURE-HSSR + later programs)
USGS SGMC state geologic map compilation
source ↗U.S. Geological Survey, State Geologic Map Compilation (SGMC)
- Licence
- Public domain (U.S. Government work)
- Vintage
- current
USGS US aeromagnetic compilation (1 km merged grid)
source ↗U.S. Geological Survey, North American Magnetic Anomaly Group — merged US aeromagnetic grid
- Licence
- Public domain (U.S. Government work)
- Vintage
- 2002 compilation (surveys 1940s-2000s, quality varies by survey)
USGS USMIN topographic mine symbols (consolidated)
source ↗U.S. Geological Survey, USMIN Mineral Deposit Database — prospect- and mine-related features from USGS topographic maps
- Licence
- Public domain (U.S. Government work)
- Vintage
- current