Analyses of tipple and delivered samples of coal collected during fiscal year 1969 / by Staff, Coal Sampling and Inspection.
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Format: | Government Document Book |
Language: | English |
Published: |
[Washington, D.C.] :
U.S. Dept. of Interior, Bureau of Mines : For sale by the Supt. of Docs., U.S. G.P.O.,
1970.
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Series: | Report of investigations (United States. Bureau of Mines) ;
7346. |
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