Geophysical prospecting
Subtitle: some electrical methods
By: by A.S. Eve and D.A. Keys ...
Contributors: Keys, D. A. (David Arnold), 1890-1977, author
Series: [U.S.] Bureau of Mines. Technical paper -- 434; Technical paper (United States. Bureau of Mines) -- 434
Publisher: U.S. Govt. Print. Off.
Published: 1928
Place of publication: Washington
Language: eng
Number of pages: 41
Subjects: Prospecting
Notes: At head of title: ... Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turner, director.