TY - REP AU - Sievers,D.M. AU - Arnold,H.G. AU - Nussbaum,M.E. AU - Rausch,K.D. AU - West,T.P. ED - National Symposium on Conservation System. Hyatt Regency Chicago, Illinois Center (USA). 14-15 Dec 1987 TI - Ecological and agricultural watershed management: a nonpoint clash SN - 09-161-50895 U1 - 89-021276 PY - 1987/// KW - America KW - Animals KW - Artiodactyla KW - Bovidae KW - Bovinae KW - Domestic animals KW - Grazing lands KW - Land resources KW - Livestock KW - AGROVOC KW - Mammals KW - Meat animals KW - Natural resources KW - North America KW - North central states usa KW - Physiographic features KW - Pollution KW - Resources KW - Ruminants KW - Skin producing animals KW - USA KW - Vertebrates T2 - Optimum erosion control at least cost: proceedings of the national symposium on conservation systems. St. Joseph, Mich. (USA). American Society of Agricultural Engineers. 1987. p. 256-261 ER -