Graves, R. P., & Gonzalez, R. (1988). Potentiometric surface of the Turpentine Run basin aquifer in the Tutu area, eastern St. Thomas, U.S. Virgin Islands, September 11, 1987. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGraves, Robert P., and Ralph Gonzalez. Potentiometric Surface of the Turpentine Run Basin Aquifer in the Tutu Area, Eastern St. Thomas, U.S. Virgin Islands, September 11, 1987. San Juan, Puerto Rico: Department of the Interior, U.S. Geological Survey, 1988.
MLA (9th ed.) CitationGraves, Robert P., and Ralph Gonzalez. Potentiometric Surface of the Turpentine Run Basin Aquifer in the Tutu Area, Eastern St. Thomas, U.S. Virgin Islands, September 11, 1987. Department of the Interior, U.S. Geological Survey, 1988.