01125nam a2200277 a 4500 20260818145052.0 .b11510638 TD420 S8 1969 Symposium on Save the Lakes (1969 : Detroit Lakes, Minnesota) Lake eutrophication - water pollution causes, effects and control ; papers presented at the "Save the Lakes symposium", August 18-19, 1969, Detroit Lakes, Minnesota Minneapolis, Minn. : Water Resources Research Center, 1970 61 p. WRRC bulletin ; no. 22 PB 196 479 Water Pollution Congresses Detroit Lakes, Minnesota Minnesota. University. Water Resources Research Center .b11510638 mngc - 130926 0 960624 m a - 0 mngc 14 Barcode : 30050003488284 CREATED : 1996-06-24 RECORD # : i11786905 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 67802 67802 0 0 0 0 MAIN MAIN mngc 2026-08-18 0 TD420 S8 1969 30050003488284 2026-08-18 14:50:52 1 2026-08-18 14