000 005150000a22001690004500
060 _a100
082 _a631.4 SOI
245 _aSoil survey Manual
260 _aCalcutta, Oxford & IBH publishing co.
260 _c1966
300 _a503
310 _aBureau of Plant Industry, Soils and agricultural engineering
490 _ano.18
_cU S Dept Agriculture hand book no.18
490 _aU S Dept Agriculture hand book no.18
650 _aSoil survey - manual / soil science / soil conservation
942 _cBK
999 _c205092
_d205092