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Introductory Letter Dear Lake Manager Page
Dr Roy Younger History of Aquatic Herbicides Biological Control Practical
Mr Calvin Weber Public Health Requirements Sewage Disposal Systems
80W per acre acre foot aeration aeration systems algae control application aquatic growth aquatic vegetation aquatic weed control body of water Brooklyn Botanic Garden cause of eutrophication chemical treatment cold water fish control of aquatic copper sulfate cultural eutrophication Department of Environmental destratification determine dissolved oxygen dredging ducks effective Environmental Conservation epilimnion equipment eutrophic lake evaluate farm pond feet Figure fish-kill fisheries Folsom Marine foot of water gizzard shad health department herbicides hypolimnetic oxygen concentrations hypolimnion increased lake bottom Lake Waccabuc land lawn fertilizer Limno material method nitrogen nutrients oligotrophic Ottoville Ottoville Quarry OXYGEN AND TEMPERATURE permit phosphate pound Princep 80W problem public water supply question recreational regulations sediment septic effluent septic field septic tank simazine soil species stream summer supply water shed surface Teatown Lake Reservation TEMPERATURE PROFILES thermocline tion trout vascular weed water chestnut weed control Westchester York