Witkind, I. J., & Weber, W. M. (1982). Reconnaissance geologic map of the Big Fork-Avon environmental study area, Flathead, Lake, Lewis and Clark, Missoula, and Powell counties, Montana. The Survey.
Chicago Style (17th ed.) CitationWitkind, Irving J., and W. Mark Weber. Reconnaissance Geologic Map of the Big Fork-Avon Environmental Study Area, Flathead, Lake, Lewis and Clark, Missoula, and Powell Counties, Montana. Reston, Va.: The Survey, 1982.
MLA (9th ed.) CitationWitkind, Irving J., and W. Mark Weber. Reconnaissance Geologic Map of the Big Fork-Avon Environmental Study Area, Flathead, Lake, Lewis and Clark, Missoula, and Powell Counties, Montana. The Survey, 1982.
Warning: These citations may not always be 100% accurate.