Basic coal research in the United States.
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Publication
1968 - U.S. Dept. of the Interior; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington, District of Columbia
Language
English
Word Count
14,000 words, Guess
Page Count
56 pages
Identifiers
- Library of Congress Control Number68062756
- Open LibraryOL5635492M
Classifications
- DDC622/.08 s
- LCCTN295 .U4 no. 8390
Subjects
Topics
Series Statement
- United States. Bureau of Mines. Information circular ;
- 8390
- Information circular (United States. Bureau of Mines) ;
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