Mudge, M. R., & Earhart, R. L. (1983). Bedrock geologic map of part of the northern disturbed belt, Lewis and Clark, Teton, Pondera, Glacier, Flathead, Cascade, and Powell Counties, Montana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationMudge, Melville R., and Robert L. Earhart. Bedrock Geologic Map of Part of the Northern Disturbed Belt, Lewis and Clark, Teton, Pondera, Glacier, Flathead, Cascade, and Powell Counties, Montana. Reston, Va.: U.S. Geological Survey, 1983.
MLA (9th ed.) CitationMudge, Melville R., and Robert L. Earhart. Bedrock Geologic Map of Part of the Northern Disturbed Belt, Lewis and Clark, Teton, Pondera, Glacier, Flathead, Cascade, and Powell Counties, Montana. U.S. Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.