Contributions to economic geology, 1906: Part II-Coal, Lignite, and Peat /
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Corporate Authors: | , |
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. G.P.O.,
1907.
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Series: | Geological Survey (U.S.). Bulletin ;
316. |
Subjects: |