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F <br />Pape -5- <br />t i <br />area is well populated. <br />The best indicator available for ^fHemioli tomtyseasonal watertable which often occurs w the soils of Hemepin <br />is the presence of soil mottles. Mottling is ® y investigationof grey with red and yellow splotches in the subsoil. My investigation <br />of I proposed soil absorption (treatment) system site should include a <br />dete^ii^tion of the depth at «hich soil mottl« oc»r <br />along with the high organic matter content ^hese soils unsuir <br />for the installation of any soil treatment . ^em. <br />However, in many cases a mound system is needed. <br />Urdal (LmB) soils also have a seasonal watertable at a depth^of 3^ <br />s“u. %sSurS i'sSSa«l “sU.peiSability. A nvnmd system <br />may funtion adequately on these soils. <br />provide the proper separation distance oetween s <br />watertable. <br />Use of agricultural drainage tile <br />h= <br />!S™cs \il jSticing of the tile to insure j"y “re not dis- <br />^^rnce^r^hrs^al^^l^:s‘'xr^lonIe;;ui;'L^^^^^ m the