(1997). Gillette South coal bed methane project draft environmental impact statement / prepared by United States Department of the Interior, Bureau of Land Management, Buffalo Resource Area, Casper District. [microform].
Chicago-čujuhus (17. p.)Gillette South Coal Bed Methane Project Draft Environmental Impact Statement / Prepared by United States Department of the Interior, Bureau of Land Management, Buffalo Resource Area, Casper District. [microform]. 1997.
MLA-čujuhus (9. p.)Gillette South Coal Bed Methane Project Draft Environmental Impact Statement / Prepared by United States Department of the Interior, Bureau of Land Management, Buffalo Resource Area, Casper District. [microform]. 1997.
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