Salinity trends in the upper Colorado River basin upstream from the Grand Valley Salinity Control Unit, Colorado, 1986-2003 [electronic resource] / by Kenneth J. Leib and Nancy J. Bauch ; prepared in cooperation with U.S. Bureau of Reclamation.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008.