Barton, H. N. (1985). Geochemical maps showing the distribution and abundance of selected elements in heavy-mineral concentrates derived from stream sediments and ridgetop soils from the Upper Keyser Creek Basin in the St. Louis Peak Roadless Area, Grand County, Colorado. U.S. Geological Survey.
Chicago Style (17th ed.) CitationBarton, Harlan N. Geochemical Maps Showing the Distribution and Abundance of Selected Elements in Heavy-mineral Concentrates Derived from Stream Sediments and Ridgetop Soils from the Upper Keyser Creek Basin in the St. Louis Peak Roadless Area, Grand County, Colorado. Reston, Va.: U.S. Geological Survey, 1985.
MLA (9th ed.) CitationBarton, Harlan N. Geochemical Maps Showing the Distribution and Abundance of Selected Elements in Heavy-mineral Concentrates Derived from Stream Sediments and Ridgetop Soils from the Upper Keyser Creek Basin in the St. Louis Peak Roadless Area, Grand County, Colorado. U.S. Geological Survey, 1985.