Geological Survey (U.S.), Brooks, A. H., & Sargent, R. H. (1918). Topographic map of lower Matanuska Valley, Alaska. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Alfred H. Brooks, and Rufus Harvey Sargent. Topographic Map of Lower Matanuska Valley, Alaska. [Washington, D.C.]: Department of the Interior, U.S. Geological Survey, 1918.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Topographic Map of Lower Matanuska Valley, Alaska. Department of the Interior, U.S. Geological Survey, 1918.
Warning: These citations may not always be 100% accurate.