000 00370 am a2200121 a 4500
100 1 _aSmith, G.E.P.
245 1 _aPhysiography of Arizona valleys and the occurrence of groundwater
260 _aTucson
_c1938
300 _a1-91 p.
942 _2udc
_cB
440 _aPhysiography, Water Arizona Agricultural Experiment Station. Technical Bulletin No. 77
901 _aS5154
999 _c112209
_d112209