Author: | Plis, Matthew N. |
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Additional Authors: | Teeters, Dale D., Rohrbacher, Timothy J. |
Year: | 1993 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 9348 |
Subjects: | Coal mines and mining--Valuation--Data processing |
COALVAL | |
Link: | https://hdl.handle.net/2027/mdp.39015078458851 |