Legend (Minerals/Geochemistry)

USGS NGDB bedrock (0) USGS NURE sediment (1) USGS MRDS (2) Sub-coal samples (4) Coal samples (5) Miscellaneous samples (6) WSGS report geochemistry (7) WSGS STATEMAP geochemistry (8) WSGS 2018 sample compilation (incomplete) (9)