Espenshade, Gilbert H. 1912-1993
Geology of some copper deposits in north Carolina Virginia, and Alabama / by Gilbert H. Espenshade. -- Washington : United States Government Printing Office, 1963 - 50 p. + map. -- (Geological Survey Bulletin ; 1142-I).
Depósitos de minerales
Estados Unidos
553(73)
Geology of some copper deposits in north Carolina Virginia, and Alabama / by Gilbert H. Espenshade. -- Washington : United States Government Printing Office, 1963 - 50 p. + map. -- (Geological Survey Bulletin ; 1142-I).
Depósitos de minerales
Estados Unidos
553(73)