000 00431 a2200157 4500
082 _a628.16
_bAm3w2
245 1 _aWATER QUALITY AND TREATMENT
_cA MANUAL
250 _a2nd
260 _aN. Y.
_b
_c1951
300 _a451
500 _aFirst Ed. Published In 1940 Under Title : Manual Of Water Quality And Treatment
650 _aWater -- Purification
650 _aWater-Supply -- U. S
964 _gCIRC
997 _aA36946 s C
999 _c461471
_d461471