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r <br />Septate 10.1$93 <br />6 <br />|4ia0 TrvifMi H»y S <br />Eden %•«« MN 55344 <br />612 9J7 5150 <br />fA* 612 937 5422 <br />Mr. Dario AMdRio <br />905 Tookawa Road <br />Loi«Lake,MN 55356 <br />Dear Mr. Aiuclaw <br />Ref. No.; 93369 <br />&ued on our and of >our property at 905 Tookavva Road, Orooo, MN on Scptoiber 2. <br />1993, we have performed additional research and proem the fbllowing findif^: <br />•Topo surveys were not amiable through your surveyor, the City of Orono, or Horuons Aerial who ate <br />in the process of mappii^ die city. <br />•Hennepin County Survey (1974) inSc^ the followity soil and topographic conditions. <br />•Lower slopes (adjacent to lake) ate Erin Loam with 1 8-24 percem slopes. "........slopes are <br />commonly up to 1(X) feet long and are broka by shallow downslope drainageways ......Steepness <br />ofslopes severely limits the use ofthis sod for common crops. It erodes raoidlv if not protected. <br />•UpfMT slopa ate Enn Loam with 6 to 12 percent slopes. This soil is fiur cropland...... The main <br />management needs are comrol of erosion...... <br />•Drainage • Based on visual inspection, it appears that the bituminous walkway serves as the <br />drainageway for a large portion of the property. <br />Based on our observations on site, research of Hennepin County Soil Survey, and experience with similar <br />slopes, it is evkknt there is a strong potatial for erosion along any disturbed portion of the slope. Due to <br />the proximity of the slope to the lake and the sensitivity of pollution of the lake through erosion we would <br />gtronalv iwvwinvwl to the walkway or adiacat slopes be minimized. 1 would also <br />recommend diat, at a minimum, portions of the pathway remain in place for its entire length to act as a <br />paved drainageway, thus eliminating the natural erosion which would take place if the runoff occurred <br />through landscaped natural slopes. <br />Serocea, Inc n an auMi