01561oam 2200397 a 450 991069727710332120230902161725.0(CKB)5470000002386149(OCoLC)755167014(EXLCZ)99547000000238614920110930d1958 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEngineering handbook for soil conservationists in the Corn Belt[electronic resource]Washington, D.C. :Soil Conservation Service, U.S. Dept. of Agriculture,1958.1 online resource (306 unnumbered pages) illustrationsAgriculture handbook / United States Department of Agriculture ;no. 135Title from title screen (viewed on Mar. 2, 2012)."Supersedes Agriculture handbook no. 57, Farm planners' engineering handbook for the Upper Mississippi region."Agriculture handbook (United States. Department of Agriculture) ;no. 135.Soil conservationHandbooks, manuals, etcWater conservationHandbooks, manuals, etcHandbooks and manuals.lcgftSoil conservationWater conservationUnited States.Soil Conservation Service.OCLCEOCLCEGPOBOOK9910697277103321Engineering handbook for soil conservationists in the Corn Belt3125173UNINA