Dyni, J. R., & Geological Survey. (1968). Geologic map of the Elk Springs quadrangle, Moffatt County, Colorado. U.S. Geological Survey.
Chicago Style (17th ed.) CitationDyni, John R., and Geological Survey. Geologic Map of the Elk Springs Quadrangle, Moffatt County, Colorado. Washington, D.C.: U.S. Geological Survey, 1968.
MLA (8th ed.) CitationDyni, John R., and Geological Survey. Geologic Map of the Elk Springs Quadrangle, Moffatt County, Colorado. U.S. Geological Survey, 1968.
Warning: These citations may not always be 100% accurate.