Name | Format | # Files | Size | Date |
---|---|---|---|---|
USGS National Coal Resource Assessment 1999 - Northern Rocky Mountains & Great Plains Regions - Disc 1.iso | CD Disc Image | 2 | 383.7 MB | 1999-01-01 |
USGS National Coal Resource Assessment 1999 - Northern Rocky Mountains & Great Plains Regions - Disc 2.iso | CD Disc Image | 17 | 409.4 MB | 1999-01-01 |