Author: | Crentz, W. L. |
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Additional Authors: | Miller, J. W., Bailey, A. L. |
Year: | 1951 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of Interior, |
SUDOC: | I 28.23:4834 |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 4834 |
Subject: | Coal--Pennsylvania--Somerset County |
Link: | https://hdl.handle.net/2027/mdp.39015078478859 |