PARKER, John M.
Geologic setting of the hamme Tungsten district North Carolina and Virginia / by John M. Parker. -- Washington : United States Government Printing Office, 1963 - 69 p. + map. -- (Geological Survey Bulletin ; 1122-G).
Geología
Virginia
55(755)
Geologic setting of the hamme Tungsten district North Carolina and Virginia / by John M. Parker. -- Washington : United States Government Printing Office, 1963 - 69 p. + map. -- (Geological Survey Bulletin ; 1122-G).
Geología
Virginia
55(755)