National Water-Quality Assessment (NAWQA)
Digital Publications

Lithogeochemical character of near-surface bedrock in the Connecticut, Housatonic, and Thames river basins: USGS WRI 99-4000.

Friedel, M.J., 1998, National water-quality assessment program- Upper Illinois River Basin: U.S. Geological Survey Fact Sheet 072-98 -- Html

Adolphson, D.L., Arnold, T.L., Fitzpatrick, F.A., Harris, M.A., Richards, K.D., Scudder, B.C., and Stewart, J.S., 2002, Physical, chemical, and biological methods and data from the urban land-use-gradient study, Des Plaines and Fox River Basins, Illinois, 1999-2001: U.S. Geological Survey Open-File Report 01-459, 20 p. -- PDF || Html

Arnold, T.L., and Friedel, M.J., 2000, Effects of land use on recharge potential of surficial and shallow bedrock aquifers in the upper Illinois River Basin: U.S. Geological Survey Water-Resources Investigations Report 00-4027, 18 p. -- PDF

Sullivan, D.J., 1999, Nutrients and Suspended Solids in Surface Waters of the Upper Illinois River Basin in Illinois, Indiana, and Wisconsin, 1978-97: U.S. Geological Survey Water-Resources Investigations Report 99-4275, 57 p. -- PDF

Arnold, T.L., Sullivan, D.J., Harris, M.A., Fitzpatrick, F.A., Scudder, B.C., Ruhl, P.M., Hanchar, D.W., Stewart, J.S., 1999, Environmental setting of the upper Illinois River Basin and implications for water quality: U.S. Geological Survey Water-Resources Investigations Report 98-4268, 67 p. -- PDF