Ray, R. G. (1956). Photogeologic map of the Orange Cliffs-13 quadrangle, Garfield County, Utah. U.S. Geological Survey.
Chicago Style (17th ed.) CitationRay, Richard G. Photogeologic Map of the Orange Cliffs-13 Quadrangle, Garfield County, Utah. Washington, D.C.: U.S. Geological Survey, 1956.
MLA (9th ed.) CitationRay, Richard G. Photogeologic Map of the Orange Cliffs-13 Quadrangle, Garfield County, Utah. U.S. Geological Survey, 1956.
Warning: These citations may not always be 100% accurate.