Geological Survey (U.S.) & Taylor, E. M. (1987). Geologic map of the Three Sisters Wilderness, Deschutes, Lane, and Linn Counties, Oregon. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Edward M. Taylor. Geologic Map of the Three Sisters Wilderness, Deschutes, Lane, and Linn Counties, Oregon. Reston, Va.: U.S. Geological Survey, 1987.
MLA (9th ed.) CitationGeological Survey (U.S.) and Edward M. Taylor. Geologic Map of the Three Sisters Wilderness, Deschutes, Lane, and Linn Counties, Oregon. U.S. Geological Survey, 1987.
Warning: These citations may not always be 100% accurate.