Diamond-drilling exploration of the Beecher No. 3-Black Diamond pegmatite, Custer County, South Dakota
By: by J. A. Redden.
Series: Contributions to economic geology; Geological Survey bulletin -- 1162-E
Publisher: U.S. G.P.O.
Published: 1963
Place of publication: Washington
Language: eng
Number of pages: 11
Subjects: Geology, Economic -- South Dakota -- Custer County.; Pegmatites -- South Dakota -- Custer County.; Core drilling -- South Dakota -- Custer County.; Beryl -- South Dakota -- Custer County.
Notes: Issued in a case.

Accompanied by one folded plate in portfolio.

Includes bibliographical references (p. 11).