Contributions to economic geology, 1905
By: S.F. Emmons, E.C. Eckel.
Contributors: Eckel, Edwin Clarence, 1875-1941.; Geological Survey (U.S.)
Series: U.S. Geological Survey bulletin -- 285
Publisher: U.S. Government Printing Office
Published: 1906
Place of publication: Washington, DC
Language: eng
Number of pages: 506
Subjects: Mines and mineral resources -- United States.; Geology, Economic -- United States.
Notes: Bibliogr.

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