Geological Survey (U.S.) & Earhart, R. L. (1983). Preliminary geologic map and cross sections of the northwest part of Glacier National Park, Montana. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Robert L. Earhart. Preliminary Geologic Map and Cross Sections of the Northwest Part of Glacier National Park, Montana. Reston, Va.: The Survey, 1983.
MLA (9th ed.) CitationGeological Survey (U.S.) and Robert L. Earhart. Preliminary Geologic Map and Cross Sections of the Northwest Part of Glacier National Park, Montana. The Survey, 1983.
Warning: These citations may not always be 100% accurate.