Hackman, R. J. (1959). Photogeologic map of the Coach Creek NE quadrangle, Grand County Utah, and Mesa County, Colorado. U.S. Geological Survey.
Chicago Style (17th ed.) CitationHackman, Robert J. Photogeologic Map of the Coach Creek NE Quadrangle, Grand County Utah, and Mesa County, Colorado. Washington, D.C.: U.S. Geological Survey, 1959.
MLA (9th ed.) CitationHackman, Robert J. Photogeologic Map of the Coach Creek NE Quadrangle, Grand County Utah, and Mesa County, Colorado. U.S. Geological Survey, 1959.
Warning: These citations may not always be 100% accurate.