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$A POP <br />915 Indi.n Mound <br />w.yrRte M,nnesotu 55391 +"• •. <br />16�?1473.4224 <br />�a <br />November 21, 1979 <br />t <br />Mr. John Whitman � <br />1540 6th Avenue North r <br />Long Lake, MN 55356 j <br />Ref Percolation Test <br />a <br />Dear Mr. Whitman, �+ <br />' Percolation tests and Soilborings were performed on November <br />and 20, 1979. The results of the percolation tests are shown in <br />Table 1. The locations of percolation test holes and soil borings <br />'.._ are shown in figure I. ; <br />Because of the slow percolation rates of the two southerly test <br />106 7 per inch, a Mound System is re- ! <br />sites, and 87.3 minutes p. <br />quired for both sites by the City of Orono. Thft two northerly <br />. test sites have3cistaanleveragelofijn�reteThehCityer, the of Oronoepth <br />w 11 <br />to the water table <br />require A shallow trench system for both of these sites. <br />If you have any questions please call me. <br />Sincerely, <br />EUGENE A. NICKUK AND ASSOCIATES <br />Xngineers for the District <br />x a C <br />Rod Cole <br />PC11f <br />Enclosure <br />