Christensen, V.G., Jian, Xiaodong, and Ziegler, A.C., 2000, Regression Analysis and Real-Time Water-Quality Monitoring to Estimate Constituent Concentrations, Loads, and Yields in the Little Arkansas River, South-Central Kansas, 1995-99: U.S. Geological Survey Water-Resources Investigations Report 00-4126, 36 p. Available on-line at: http://ks.water.usgs.gov/Kansas/pubs/reports/wrir.00-4126.html
Combs, L.J., Putnam, J.E., and Ziegler A.C., 2003, Continuous Real-Time Water Information-- A Vital Kansas Asset: U.S. Geological Survey Fact Sheet 060-03, http://ks.water.usgs.gov/Kansas/pubs/fact-sheets/fs.060-03.html
Rasmussen, P.P., Ziegler, A.C., 2003, Comparison and Continuous Estimates of Fecal Coliform and Escherichia Coli Bacteria in Selected Kansas Streams, May 1999 Through April 2002: U.S. Geological Survey Water-Resources Investigations Report 03-4056, 87 p. http://ks.water.usgs.gov/Kansas/pubs/reports/wrir.03-4150.html
Putnam, J.E., and Pope, L.M., 2003, Trends in suspended-sediment concentration at selected stream sites in Kansas, 1970-2002 : U.S. Geological Survey Water-Resources Investigations Report 03-4150, 36 p.
Ziegler, A.C., 2003, Issues related to use of turbidity measurements as a surrogate for suspended sediment, in Gray, J.R., and Glysson, G.D., eds., Proceedings of the Federal Interagency Workshop on Turbidity and Other Sediment Surrogates, April 30-May 2, 2002, Reno, Nevada: U.S. Geological Survey Circular 1250, p. 16-18.
Rasmussen, T.J., Ziegler, A.C., Rasmussen, P.P., and Stiles, T.C., 2005, Estimation of Constituent Concentrations, Densities, Loads, and Yields in Lower Kansas River, Northeast Kansas, Using Regression Models and Continuous Water-Quality Monitoring, January 2000 Through December 2003, U.S. Geological Survey Scientific Investigations Report 2005-5165, 117p. http://pubs.usgs.gov/sir/2005/5165/.
Christensen, V.G., Graham, J.L., Milligan, C.M. Pope, L.M., and Ziegler, A.C., 2006, Water quality and relation to taste-and-odor compounds in North Fork Ninnescah River and Cheney Reservoir, south-central Kansas, 1997-2003, U.S. Geological Survey Scientific Investigations Report 2006-5095, 49p. Available online at http://pubs.water.usgs.gov/sir2006-5095/.
Rasmussen, T.J., Lee, C.J., and Ziegler, A.C., 2008, Estimation of constituent concentrations, loads, and yields in streams of Johnson County, northeast Kansas, using continuous water-quality monitoring and regression models, October 2002 through December 2006: U.S. Geological Survey Scientific Investigations Report 2008-5014, 103 p. Available on-line at http://pubs.usgs.gov/sir/2008/5014/.