van der Valk, A.G., C.B. Davis, J.L. Baker, and C.E. Beer. 1979. "Natural fresh water wetlands as
nitrogen and phosphorus traps for land runoff," p. 57-467 In: P.E. Greeson et al. (ed.) Wetland
functions and values: The state of our understanding. Am. Wat. Res. Assoc. Minneapolis, M.N.
Vitosh, M.L. and L.K. Carroll. 1987. "Fertilizer Recommendations. An MSU Fertilizer
Recommendation Software Program," Cooperative Extension Service, Michigan State University, E.
Lansing, M.I.
WDATCP, Wisconsin Department of Agriculture, Trade, and Consumer Protection. 1989. "Nutrient
and Pesticide Best Management Practices for Wisconsin Farms," Univ. Of Wis. Extension, Madison.
Waldo, P.G. Sediment yields from large watersheds. "River Sedimentation," Volume III. Proceedings
of the Third International Symposium on River Sedimentation, School of Engineering. Univ. of
Mississippi, University, M.S.
Walker, W.W., Jr. 1986. "Empirical Methods for Predicting Eutrophication in Impoundments; Report
4, Phase III: Applications Manual," Technical Report E-81-9. US Army Engineer Waterways
Experiment Station. Vicksburg, MS.
Walker, W.W., Jr. 1988. "P8 Urban Catchment Model. Program Documentation. Version 1.1,"
prepared for EIP, Inc., 6 Maple Street, Northborough, M.A. and Narrangansett Bay Project,
Providence, R.I.
Wall, D.B. S.A. McGuire, and J.A. Magner. 1989. "Water Quality Monitoring and Assessment in the
Garvin Brook Rural Clean Water Project Area," Minnesota Pollution Control Agency, Division of
Water Quality, St. Paul.
Walter, M.F., R.C. Loehr, R.J. Linkenheil, D.F Sherman, B.K. Richards, and P.D. Robillard. 1983.
"Evaluation of Milhouse Wastewater Treatment. Agricultural Engineering," Cornell Univ, Ithaca, N.Y.
Walter, M.F., T.L. Richard, P.D. Robillard, and R. Muck.1987. "Manure Management with
Conservation Tillage," In: Logan, T.J., J.M. Davidson, J.L. Baker and M.R. Overcash. eds. Effects
of Conservation Tillage on Groundwater.
Lewis Publishers, Chelsea, M.I.
Water Resources Agency for New Castle County (WRANCC) . "Appoquinimink River Basin Project
Rural Clean Water Program," Final Report. 1986. Delaware.
Woodward-Clyde Consultants. 1989. "Synoptic analysis of selected rainfall gages throughout the
United States. Draft report for the USEPA," EPA WA-10, 8910148B.1100. Oakland, CA.
4.2-34