Basic estimated capital investment and operating costs for underground bituminous coal mines : mines with annual production of 1.06 to 4.99 million tons from a 72-inch coalbed /
| Main Authors: | , , |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Series: | Information circular (United States. Bureau of Mines) ;
8682A. |
| Subjects: |
Evans: US Documents (Annex 5th floor)
| Call Number: |
I 28.27:8682 A |
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|---|---|---|
| Call Number | Status | Get It |
| I 28.27:8682 A | Available | |