00571    a2200157   4500082001600000100001700016245010300033260007800136300002000214440004300234650005700277650001700334650002400351700001800375700002000393  a631.44bTHO  aThomas, R.F.  aFlow - diagram keys for " soil taxonomy " ba. diagnostic horizons and propertiesb mineral soils   aNew ZealandbDepartment of Scientific and Industrial Researchc1979g1979  axiii,48p.c30cm  aN.Z. soil bureau scientific report 39A  aspecific techniques; apparatus, equipment, materials  aSoil science  aSoil classification  aKinloch D.I.   aBlakemore L.C.