Parker, F. S. (1936). The Richey-Lambert coal field, Richland and Dawson Counties, Montana. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationParker, Frank S. The Richey-Lambert Coal Field, Richland and Dawson Counties, Montana. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1936.
MLA (9th ed.) CitationParker, Frank S. The Richey-Lambert Coal Field, Richland and Dawson Counties, Montana. United States Department of the Interior, Geological Survey, 1936.
Warning: These citations may not always be 100% accurate.