Resource Type
Serial/Series Title
GJBX
51
Atomic Energy Commission Reports
49
United States Bureau of Mines Reports
43
Aerial Radiometric and Magnetic Reconnaissance Survey of Portions of Alabama, Georgia, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia
36
Report of investigations (United States. Bureau of Mines)
14
Estimate of Known Recoverable Reserves of Coking Coal
11
Aerial Radiometric and Magnetic Reconnaissance Survey of Baltimore, Washington, and Richmond Quadrangles
10
United States Geological Survey Reports
10
Information circular (United States. Bureau of Mines)
6
Trace elements investigations report
5
23 More