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D. L Boreck

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1) Colorado coal reserves depletion data and coal mine summaries

Author

Series

Open file report volume 79-1

Pub. Date

[1979]

2) Conservation of methane from Colorado's mined/minable coal beds: a feasibility study

Author

Series

Open file report volume 80-5

Pub. Date

1980.

3) The coal bed methane potential of the Sand Wash basin, Green River coal region, Colorado

Series

Open file report volume 81-6

Pub. Date

1981.