00606cam a22002057a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102100002200117245006900139260006000208300002000268490003400288650004400322830003400366CHAP20220329135941.0971013s1949            r     00010     d  a44582  a45554  a49693  cCHAP  a631.45 t4500aTampey, Harold A.14aThe practice of soil conservation in the British Colonial Empire  aHarpenden :bCommonwealth Bureau of Soil Science,c1949  a106 p.b: ilus. 0aTechnical communicationv; 4514aSuelosxConservaciónxGran Bretaña.0 aTechnical communicationv; 45