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Footnotes and References <br />1. Grass Lake Watershed Management Organization Watershed Management Plan -March 10, 2000 Draft. <br />L Unpublished data provided by Barr Engineering. This value was used in modeling runoff. <br />1. Water input from rainfall is estimated as lake area times normal annual rainfall. <br />1. Phosphorus input from atmospheric sources estimated as 0.7 pounds /lake surface acre. <br />L Internal phosphorus loading estimated as follows: <br />a. Littoral sources - rate x duration x area. The calculations are: <br />2.2 mg/m2/d x 150 d x 117 ha = 849 pounds/year <br />b. Profundal sources - rate x duration x area. The calculations are: <br />12 mg/m2/d x 30 d x 37.6 ha = 297 pounds/per year <br />1. Grass Lake WMO. 199 L Water quality management alternatives: A report on the diagnostic-feasibility study <br />of Lake Owasso, Lake Wabasso and Snail Lake (Ramsey County, MIS. Barr Engineering Co. <br />1. Dillon-}Zigler model with retention estimated according to Kirchner. <br />1. Log CLA = 1.02 log P - 0.288, where CLA is chlorophyll concentration (µg/liter) and P is phosphorus <br />concentration (µg/liter). <br />1. 1999/2000 Lake Use Study for White Bear Lake. March 21, 2000. Ecosystem Strategies and Blue Water <br />Science. <br />1. Lakescaping for wildlife and water quality. Carrot Henderson, Carolyn Dindorf and Fred Rozumalski. <br />Nongame Wildlife Program -Section of Wildlife, MN DNR. <br />