Spahr, N. E., & Spahr, N. E. (2000). Water quality in the Upper Colorado River Basin, Colorado, 1996-96. Denver, Colo.: Departamento of the Interior, U.S. Geological Survey.
Chicago Style CitationSpahr, Norman E., and Norman E. Spahr. Water Quality in the Upper Colorado River Basin, Colorado, 1996-96. Denver, Colo.: Departamento of the Interior, U.S. Geological Survey, 2000.
MLA CitationSpahr, Norman E., and Norman E. Spahr. Water Quality in the Upper Colorado River Basin, Colorado, 1996-96. Denver, Colo.: Departamento of the Interior, U.S. Geological Survey, 2000.
Warning: These citations may not always be 100% accurate.