Scientific data near [38.25809,-77.23595]

Search area extends approximately 8.9 km east-west and 11.3 km north-south.

Geology of US states

Airborne geophysical surveys

Estimates of undiscovered mineral resources

The continental crust

Geochemistry of stream sediments in the US from the NURE-HSSR database

Geochemistry of water samples in the US from the NURE-HSSR database

Mineral Resource Data System

Global assessment of undiscovered copper resources

Prospect- and mine-related features on USGS topographic maps