Author: | Hileman, D. H. |
---|---|
Additional Authors: | Collins, Bruce A., Wilson, Stephen Ray, |
Year: | 1970 |
Document Type: | USBI |
Issuing Agency: | U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., |
SUDOC: | I 28.27:8497 |
Series: | Bureau of Mines information circular: IC |
Report Number: | 8497 |
Subjects: | Coal mines and mining--Utah--Costs |
Coal mines and mining--Colorado--Costs | |
Link: | https://hdl.handle.net/2027/mdp.39015078461947 |