Geological Survey (U.S.), Avery, C., & Pettijohn, R. A. (1984). Generalized potentiometric-surface map of the High Plains Aquifer in Wyoming, 1981. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Charles Avery, and Robert A. Pettijohn. Generalized Potentiometric-surface Map of the High Plains Aquifer in Wyoming, 1981. [Cheyenne, Wyo.]: Department of the Interior, United States Geological Survey, 1984.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Generalized Potentiometric-surface Map of the High Plains Aquifer in Wyoming, 1981. Department of the Interior, United States Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.