Mineral resources of the Appalachian region,
Mineral resources of the Appalachian region,
by the U.S. Geological Survey and the U.S. Bureau of Mines.
- Washington, U.S. Govt. Print. Off., 1968.
- xvi, 492 p. illus., maps (part col.) 29 cm.
- Professional paper 580 .
- Geological Survey professional paper ; 580. .
Part of illustrative matter fold. in pocket.
Bibliography: p. 466-492.
gs 67000288 //r852
Mines and mineral resources--Appalachian Region.
Geology--Appalachian Region.
QE75 / .P9 no. 580
553/.0974
Part of illustrative matter fold. in pocket.
Bibliography: p. 466-492.
gs 67000288 //r852
Mines and mineral resources--Appalachian Region.
Geology--Appalachian Region.
QE75 / .P9 no. 580
553/.0974