APA (7th ed.) Citation

Ortiz, R. F. (2004). Ground-water quality of granitic- and volcanic-rock aquifers in southeastern Park County, Colorado, July-August 2003. U.S. Dept.of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ortiz, Roderick F. Ground-water Quality of Granitic- and Volcanic-rock Aquifers in Southeastern Park County, Colorado, July-August 2003. [Reston, Va.]: U.S. Dept.of the Interior, U.S. Geological Survey, 2004.

MLA (9th ed.) Citation

Ortiz, Roderick F. Ground-water Quality of Granitic- and Volcanic-rock Aquifers in Southeastern Park County, Colorado, July-August 2003. U.S. Dept.of the Interior, U.S. Geological Survey, 2004.