000 00554nam a2200181 i 4500
001 2000004309
005 20190612154407.0
007 t
008 100513s1960 esp 00010 spa d
245 0 0 _aSoil classification
_b: a comprehensive system
250 _a7th ed
260 0 _a[Washington]
_bUnited States Department of Agriculture, Soil Survey Staff
_c1960
300 _aV, 265 p.
_bil.
_c30 cm
653 _aClasificacion de suelos
653 _aSuelo
710 1 _aUnited States Department of Agriculture
_91763
710 2 1 _aSoil Survey Staff
_95036
999 _c5058
_d5058