PT - JOURNAL ARTICLE AU - Lawrence W. Libby TI - Paying the nonpoint pollution control bill DP - 1985 Jan 01 TA - Journal of Soil and Water Conservation PG - 33--36 VI - 40 IP - 1 4099 - http://www.jswconline.org/content/40/1/33.short 4100 - http://www.jswconline.org/content/40/1/33.full