Use of scrapers and other light earth-moving equipment in bituminous-coal strip mining / by Louis A. Turnbull [and others]
Saved in:
Main Author: | |
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Format: | Government Document Book |
Language: | English |
Published: |
[Washington, D.C.] :
United States Bureau of Mines,
1947.
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Series: | Report of investigations (United States. Bureau of Mines) ;
4033. |
Subjects: |