1. Meyer, G. J., P. J. Schoeneberger, and J. H. Huddle. 1975. Sediment yields from roadsides: an application of the Universal Soil Loss Equation. J. Soil Water Conserv. 30(6):289–291.
2. Skopp, J., and T. C. Daniel. 1978. A review of sediment predictive techniques as viewed from the perspective of nonpoint pollution management. Environ. Mngmt. 2(1):39–53.
3. Stewart, B. A. 1975. Control of water pollution from cropland. USDA Rept. No. ARS-H-5-1. U.S. Dept. Agr., Hyattsville, Maryland. Vol. 1, 111 pp.
4. U.S. Congress (92nd). Senate. 1972. Federal Water Pollution Control Act Amendments of 1972. Public Law 92-500. s.2270. Washington D.C. 89 pp.
5. Wischmeier, W. H. 1974. New developments in estimating water erosion. Pages 179–186 in Land use: persuasion or regulation? Proc. 29th Ann. Meet. Soil Cons. Soc. Am. Ankeny, Iowa.