Legend (Minerals/Geochemistry)

USGS NGDB bedrock (0) USGS NURE sediment (1) USGS MRDS (3) Sub-coal samples (9997) Coal samples (9999) Miscellaneous samples (9995) WSGS report geochemistry (10001) WSGS STATEMAP geochemistry (10002) WSGS 2018 sample compilation (incomplete) (10003)