Investigation of water quality in the Great Sand Dunes National Monument and Preserve, Saguache County, Colorado, February 1999 through September 2000 : qualifying for outstanding...

by Ferguson, Sheryl A.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2003

Investigation of water quality in the Great Sand Dunes National Monument and Preserve, Saguache County, Colorado, February 1999 through September 2000 qualifying for outstanding wa...

by Ferguson, Sheryl A.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2003

Characterization of water quality in selected tributaries of the Alamosa River, southwestern Colorado, including comparisons to instream water-quality standards and toxicological r...

by Ortiz, Roderick F.
Published: U.S. Dept. of the Interior, U.S. Geological Survey : U.S. Geological Survey, Information Services [distributor], 2001