000 00321 a2200121 4500
080 _a551.49
_bJ 73 E
245 1 _aElements of applied hydrology
_cby Don Johnstone and W.P. Cross
260 _aNew York
_c1949
650 _aApplied Hydrology
100 1 _aJohnstone, Don, Cross, W.P.
_d
300 _a276 p.
901 _a31903
999 _c30068
_d30068