APA (7th ed.) Citation

Ortiz, R. F. (2004). Ground-water quality of alluvial and sedimentary-rock aquifers in the vicinity of Fairplay and Alma, Park County, Colorado, September-October 2002. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ortiz, Roderick F. Ground-water Quality of Alluvial and Sedimentary-rock Aquifers in the Vicinity of Fairplay and Alma, Park County, Colorado, September-October 2002. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

MLA (9th ed.) Citation

Ortiz, Roderick F. Ground-water Quality of Alluvial and Sedimentary-rock Aquifers in the Vicinity of Fairplay and Alma, Park County, Colorado, September-October 2002. U.S. Dept. of the Interior, U.S. Geological Survey, 2004.