Contributions to economic geology, 1906 : part I -- metals and nonmetals except fuels / United States Geological Survey ; S.F. Emmons, E.C. Eckel, geologists in charge.

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Corporate Author: Geological Survey (U.S.)
Other Authors: Emmons, Samuel Franklin, 1841-1911, Eckel, Edwin C. (Edwin Clarence), 1875-1941
Format: Government Document Book
Language:English
Published: Washington [D.C.] : Govt. Print. Off, 1907.
Series:Bulletin (Geological Survey (U.S.)) ; no. 315.
Subjects: