000 004000000a22001570004500
008 151207t1975 xxu||||| |||| 00| 0 eng d
020 _a0813807956
041 _aeng
080 _a627.01
_bH6
942 _cBK
100 _aHjelmfelt, Allen T.
100 _aCassidy, John J.
245 _aHydrology for engineers and planners
260 _aIowa
_bIowa State University
_c1975
300 _ax, 210p.
999 _c139097
_d139097