000 00491pam a2200169a 44500
082 _a591.929
_bIn4a
100 _aIngram, William Marcus
245 1 _aANIMALS ASSOCIATED WITH POTABLE WATER SUPPLIES
_cOPERATORS IDENTIFICATION GUIDE
260 _aN. Y.
_bAmerican Water Works Association
_cc1960
300 _a31
440 _aAwwa Manual M7
_v
650 _aFresh-Water Fauna -- U. S
650 _aInvertebrates
700 _aBartsch, Alfred F.
964 _gCIRC
997 _a55031 C
999 _c434238
_d434238