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Legend <br />I' <br />�._.._. <br />51 i Qty Boundary <br />Hydrologic Soil Group Classification <br />- A <br />- A/D <br />B/D <br />X) P - C <br />i <br />Group A. Soils having a high infiltration rate (low <br />- " runoff potential) when thoroughly wet. These <br />consist mainly of deep, well drained to <br />- - excessively drained sands or gravelly sands. <br />These soils have a high rate of water <br />transmission. <br />` Group B. Soils having a moderate infiltration rate <br />when thoroughly wet. These consist chiefly of <br />- moderately deep or deep, moderately well <br />- drained or well drained soils that have moderately <br />`PYr fine texture to moderately coarse texture. These <br />{' soils have a moderate rate of water transmission. <br />rNn <br />:•i / Group C. Soils having a slow infiltration rate when <br />thoroughly wet. These consist chiefly of soils <br />35 having a layer that impedes the downward <br />� � _ _ movement of water or soils of moderately fine <br />i ?.� -�'.' - texture orfne texture. These soils have a slow <br />rate of water transmission. <br />� 3' Group D. Soils having a very slow infiltration rate <br />_ r: �4U (high runoff potential) when thoroughly wet. <br />' � U These consist chiefly of clays that have a high <br />,rK� f shrink -swell potential, soils that have a high water <br />- . ,g +� table, soils that have a claypan or clay layer at or <br />near the surtace, and soils that are shallow over <br />_ - ezry slow rate of water transmission. <br />eo _ <br />j <br />_ - 0 1,000 2,000 4,000 <br />arolea Rosev iz°zzz <br />V��A =`E�.EAOA P " °` °a`e ° "'�� °'� Comprehensive Surface Water Management Plan Hydrologic sou Figure <br />� axaa��s ®asset <br />SEH .�x�oa�x�ry � �=oe,xxrvem�o,�,�� °x,x Roseville, MN Group a <br />