1. Changes in nutrient and pesticide concentrations in urban and agricultural areas of the South Platte River Basin, Colorado, Wyoming, and Nebraska, 1994-2000 Author/Creator: Sprague, Lori A. Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
2. Comparison and continuous estimates of fecal coliform and escherichia coli bacteria in selected Kansas streams, May 1999 through April 2002 Author/Creator: Rasmussen, Patrick P. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
3. Concentrations of dissolved oxygen in the lower Puyallup and White Rivers, Washington, August and September 2000 and 2001 Author/Creator: Ebbert, J. C. Publication/Creation: Tacoma, Wash. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading