00942cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035002000092040004100112050002000153082001100173110004700184245019500231260004900426300002800475650002300503650001300526700003400539700005100573700004700624999001700671agr41000014 DLC20260227110959.0960425s1940 dcua f000 0 eng c aagr41000014  a(OCoLC)34632935 aU.S. Dept. of Agr. LibrarycMoUdDLC00aS623b.U5 1940d 0a631.451 aUnited States.bSoil Conservation Service.10aPlowing for terrace maintenance in the South.c[By John M. Downing and Philip M. Price in cooperation with C.L. Hamilton] United States Department of Agriculture. Soil Conservation Service. a[Washington,bU.S. Govt. Print. Off.,c1940] a[12] p.billus.c23 cm. 0aSoil conservation. 0aPlowing.1 aDowning, John McMahon,d1905-1 aPrice, Philip Middleton,d1905-ejoint author.1 aHamilton, C. L.q(Clifford Leslie),d1904- c10065d10065