01806oam 2200541 450 991071151560332120181123111040.0(CKB)5470000002484899(OCoLC)1045222173(EXLCZ)99547000000248489919910314e19901987 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierFarming and maintaining terraces[Washington, D.C.] :United States Department of Agriculture, Soil Conservation Service,1990.1 online resource (15 pages) illustrations (some color)Leaflet / United States Dept. of Agriculture ;number 570"May 1987. Reviewed and approved for reprinting June 1990"--Page [4] of cover."Supersedes Farming terraced land, Leaflet 335. Reprinted April 1980"--Page [4] of cover.Shipping list no.: 90-570-P.Farm layoutUnited StatesTerracingUnited StatesConservation tillageUnited StatesContour farmingUnited StatesAgricultural pollutionUnited StatesFarm layoutfastTerracingfastUnited StatesfastFarm layoutTerracingConservation tillageContour farmingAgricultural pollutionFarm layout.Terracing.United States.Soil Conservation Service,INARCINARCOCLCFOCLCOGPOBOOK9910711515603321Farming and maintaining terraces3290699UNINA