Exploration for beryllium at the Helen Beryl, Elkhorn, and Tin Mountain pegmatites, Custer County, South Dakota /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), U.S. Atomic Energy Commission
Other Authors:	Staatz, Mortimer H. (Mortimer Hay), 1918-2004
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1963.
Series:	Pegmatites and other Precambrian rocks in the southern Black Hills. Geological Survey professional paper ; 297-C.
Subjects:	Beryllium ores > South Dakota > Custer County. Pegmatites > South Dakota > Custer County. Mines and mineral resources > South Dakota > Custer County.

Evans: US Documents (Annex 5th floor)