Author: | Rice, George S. |
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Year: | 1921 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:2237 |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 2237 |
Subjects: | Coal mines and mining |
Coal mines and mining--United States | |
Bituminous coal mines and mining | |
Anthracite coal mines and mining | |
Link: | https://hdl.handle.net/2027/mdp.39015086555300 |