Bryson, R. P. (1952). The Coalwood coal field, Powder River County, Montana: Geology and fuel resources of a part of the Powder River basin. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationBryson, Robert P. The Coalwood Coal Field, Powder River County, Montana: Geology and Fuel Resources of a Part of the Powder River Basin. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1952.
MLA (9th ed.) CitationBryson, Robert P. The Coalwood Coal Field, Powder River County, Montana: Geology and Fuel Resources of a Part of the Powder River Basin. United States Department of the Interior, Geological Survey, 1952.
Warning: These citations may not always be 100% accurate.