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ROY J 1IAN9EN <br />RFnlGTR*TO LANE) SI/RV[YOR ANn CIVIL ENAIN[[:� <br />13007 •MtMA LARf ROAD. NOPICIN[, MINNlf07A •::42 <br />PNONC! •90.9470 <br />;,eptembnr 17, 1977 <br />�. iridley <br />sat ;?iver T(,rrnce <br />a:�:►e;t;lolls. tUi 55414 <br />Subjects iercolation and soil boring teat, in the north 800 feet of Tract C. <br />R. L. S. No. 1092. <br />Dear Dr. :ridley: <br />vn 31 AuCast 1977, 6 percolation tests and 3 soil boring tests were taken or, the <br />alove described property. The location of the test holes are as shown on the <br />attached preliminary plat. <br />:he coil borings were drilled to a depth of 5 feat on ;olea No. 2 and ; ar..* to a <br />depth of 4 feet on Hole No. 5. water vat found only at Hole No. 5 at a dept:. of <br />two feet. <br />the soil encountered was as follows; <br />Hole No. <br />Dp th <br />5u11 Y2^P <br />2 <br />" <br />black lUam <br />22" <br />clay & black <br />49" <br />clay & some sand <br />62" <br />sandy clay & eravel <br />3 <br />6" <br />black loam <br />20" <br />clay & black loam <br />42"' <br />clay <br />56" <br />clay & some sand <br />61" <br />white clay ;hard; <br />5 <br />7" <br />black loam <br />19" <br />black loam & &ind <br />46" <br />sandy clay <br />,'he percolation tests indicated soil absorptivities and drain .`,old area require- <br />ments as follows: <br />lest tole Rate (minutes/inch) c• <br />1 1 570 <br />2. 1 495 <br />3 47 900 <br />4 3 750 <br />750 <br />6 20 630 <br />