01312oam 2200373Ka 450 991070131870332120120130104622.0(CKB)5470000002417884(OCoLC)755132815(EXLCZ)99547000000241788420110929d1954 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierA manual on conservation of soil and water[electronic resource] handbook for professional agricultural workersWashington, D.C. :U.S. Dept. of Agriculture, Soil Conservation Service,1954.1 online resource (iv, 207 pages) illustrations, plansAgriculture handbook / United States Department of Agriculture ;no. 61Title from title screen (viewed on Jan. 30, 2012).Manual on conservation of soil and water Soil conservationWater conservationSoil conservation.Water conservation.United States.Soil Conservation Service.OCLCEOCLCEGPOBOOK9910701318703321A manual on conservation of soil and water3547493UNINA