Geological Survey (U.S.) & Clark, P. S. (2008). Preliminary image map of the 2007 Witch fire perimeter, Valley Center quadrangle, San Diego County, California (Version 1.0.). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Perry S. Clark. Preliminary Image Map of the 2007 Witch Fire Perimeter, Valley Center Quadrangle, San Diego County, California. Version 1.0. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2008.
MLA (9th ed.) CitationGeological Survey (U.S.) and Perry S. Clark. Preliminary Image Map of the 2007 Witch Fire Perimeter, Valley Center Quadrangle, San Diego County, California. Version 1.0. U.S. Dept. of the Interior, U.S. Geological Survey, 2008.
Warning: These citations may not always be 100% accurate.