-
By: Ramser, C. E. (Charles Ernest),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1917Volume: no.512 (1917)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Soil conservation TerracingBHL Collections:
-
By: United States. Soil Conservation Service.Edition:Publication info: Washington, D.C, U.S. G.P.O, 1943Volume: no.79Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Grasses Irrigation TerracingBHL Collections: