RT Journal Article SR Electronic T1 Making a difference: Agencies can, will, do work together to solve nonpoint source pollution problems JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 401 OP 406 VO 48 IS 5 A1 John Valentine A1 John Carochi YR 1993 UL http://www.jswconline.org/content/48/5/401.abstract AB