1. Craddock G. W. and Hursh C. R. (1949). “Watersheds and how to care for them.” Trees: The yearbook of agriculture 1949 U.S. GPO Washington D.C.
2. Dent L. and Robben J. (2000). “Oregon Department of Forestry: Aerial pesticide application monitoring final report.” Forest Practices Monitoring Program Technical Rep. No. 7 Oregon Dept. of Forestry Salem Ore.
3. The use of ponds for BMPs.;England G.;Stormwater,2001
4. Effective sediment and erosion control for construction sites.;Fifield J. S.;Stormwater,2001
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