00512     2200181   4500001002100000005001500021008004100036035001900077041000700096082001200103090001800115100004500133245004700178250001100225260004500236300003200281650001700313INLIS00000000000170220210430103947210430|||||||||   |   |||   |||| ||   |   0010-0421001702  aen0 a631.459  a631.459 UNI m0 aUnited States Departement of Agriculture00aA manual on conservation of soil and water  aCet. 1  aNew DelhibOxford & IBH Publishingc1964  axiv, 208 hlm.: ill.; 22 cm. 0aTANAH -- AIR