01194cas a22003617ar4500 20220329143037.0 001017u1981 us mr p rnn 0 b1eng d 91118 92090 0199-9060 102653 Soil and Water Conservation News /by Soil Conservation Service Washington, D.C.: Soil Conservation Service 1980. v. Bimestral Mensual v.13n.2,1992 BATCH-UPD 10 20130110 UCH01 0453 BATCH-UPD 10 20130410 UCH01 0130 BATCH-UPD 10 20130913 UCH01 2240 CONVERSION 10 20130109 UCH01 1350 Agua Conservación Publicaciones periódicas. 2335 Suelos Conservación Publicaciones periódicas. 110312 Soil conservation v.1 n.1,3-9,11-12 (1980-1981) v.12 n.3-7 (1991-1992) v.13 n.2 (1993) v.2 n.5-6,8-12 (981-1982) v.3 n.7-12 (1982-1983) v.4 n.2 (1983) SE Araceli Hernández Gómez. 91118 91118