00413nam a2200169 a 450000100080000000500110000800800410001910000460006024500240010626000490013030000110017965000090019065000100019965300150020965300090022465300100023310041682014-09-17       1951    bl uuuu  f   0uu1 u    #d1 aUNITED STATES. Department of Agriculture.  aSoil survey manual.  aWashington : Department of Agriculturec1951  a503 p.  aSoil  aSoils  aEdafologia  aSolo  aSolos