000 00415pam a2200145a 44500
008 160408b1972 xxu||||| |||| 00| 0 eng d
082 _a628.168
_bP456
100 _aPettyjohn, Wayne A.
245 1 _aWATER QUALITY IN A STRESSED ENVIRONMENT READINGS IN ENVIRONMENTAL HYDROLOGY
260 _aMinnesota
_bBurgess Pub.
_c1972
300 _a309
650 _aWater-Pollution
964 _gCIRC
997 _aA40819 C
999 _c267652
_d267652