Author: | Dowd, James J. |
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Additional Authors: | Reynolds, D. A., Toenges, Albert L., Turnbull, Louis A., Abernethy, R. F., Cooper, H. M. |
Year: | 1950 |
Document Type: | N/A |
SUDOC: | I 28.23:4734 |
Series: | United States Bureau of Mines Reports |
Report Number: | R. I. 4734 |
Subjects: | Mining -- Penssylvania -- Cambria County. |
Coal -- Pennsylvania -- Cambria County. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38550/ |