Geological Survey (U.S.). (2008). Geodata. [U.S. Geological Survey].
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Geodata. [Washington, D.C.]: [U.S. Geological Survey], 2008.
MLA (9th ed.) CitationGeological Survey (U.S.). Geodata. [U.S. Geological Survey], 2008.
Warning: These citations may not always be 100% accurate.