Example of Sites Displaying Surrogates
Examples of Surrogates Methods and Reports
Technical Resources
Colorado Reports
Ortiz, Roderick F., 2004, Methods to Identify Changes in Background Water-Quality Conditions Using Dissolved-Solids Concentrations and Loads as Indicators, Arkansas River and Fountain Creek, in the Vicinity of Pueblo, Colorado: U.S. Geological Survey Scientific Investigations Report 2004-5024, 20 p. http://pubs.usgs.gov/sir/2004/5024/

