Geological Survey (U.S.). (1985). Codes for the identification of aquifer names and geologic units in the United States and the Caribbean outlying areas. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Codes for the Identification of Aquifer Names and Geologic Units in the United States and the Caribbean Outlying Areas. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1985.
MLA (9th ed.) CitationGeological Survey (U.S.). Codes for the Identification of Aquifer Names and Geologic Units in the United States and the Caribbean Outlying Areas. Dept. of the Interior, U.S. Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.