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_ _��_ :.- �-- . . _._. ,:_-- ----- - - - - - - - - <br />�-�. -_ _ � <br /> -� - - ---- .... > . <br /> _ +� � . �� _:.:« � -- - -- - - - <br /> - --- -- - ------ �__--=— -_ _�_:._ —= -�-= --_� T.. � --- -PC_Exhibit,T � - <br /> , , � . <br /> r <br /> ; ��.!, <br /> � � = SVOBODA ECOLOGICAL RESOURCES <br /> ��, Providing the Sharper Edge in Natural Resources&Environmental Consulting <br /> , '. �1 . <br /> � :•�' , <br /> :I'. <br /> July 28,2009 = • � <br /> Natalie White � <br /> Minnehaha Creek Watershed District <br /> 18202 Minnetonka�Blvd <br /> Deephaven,MN 55391 , <br /> RE: SER Project Name: 1095 Ferndale Road <br /> SER Project No.: 2009-028-15 " <br /> Project Location: Part of Section 2,T117N,R23W,City of Orono, <br /> - Hennepin County,Minnesota �. <br /> Letter Purpose: Soil Evaluation and Aerial Photo Review Report <br /> Dear Ms. White: � -- ----------• <br /> We are providing the clarifying information that you requested in your letter dated October 17,2008. This letter addresses <br /> the request for a review of aerial photos and we also conducted a series of additional soil borings to determine if the area <br /> • was pre-existing wetlarad.The results of the two tasks are described below. <br /> Site�Soil Evaluation <br /> On July 21, 2009 SER Ecologists visited the above referenced site to evaluate the soi�s within the Kentucky bluegrass <br /> (Poa pratensis) area at the northern portion of the property and the soils adjacent to the swale located within the wooded <br /> area to the south. See attached Figure 1 for the approximate�locations of the sample points and the attached data sheets <br /> describing the soils data information for select points within the evaluated area. Photos were also taken depicting the field <br /> conditions during the time of the site visit on July 21,2009. See photos below. . <br /> Based on our analysis, the open grassy azea contains some areas where the soil is hydric and some are not (see data <br /> sheets). Every soil boring that was evaluated revealed the presence of fill material. Ivlost of this material was present <br /> .below at least 6 inches of topsoil down to 40 inches at some points.The observed soil did not resemble the hydric soil unit <br /> of the Muskego, Blue Earth and Houghton defined on the Hennepin County Soil Survey for this area. Several points <br /> yielded an impervious surface within this area. The shallowest impervious surface point was discovered at SP-CC at 5 <br /> _ ,_ . inches and the deepest was discovered at SP-D at,20 inches. -. _ _ . _ _ . . <br /> The soils evaluated adjacent to the swale within the wooded azea were all non-hydric.They somewhat resemble the colors <br /> associated with the mapped Lester soil unit found on the Hennepin County Soil Survey for this portion of the evaluated <br /> area. The soil textures were unlike the Lester Series, however. There appeared to be an impervious surface located about <br /> _ _ _ , - -- __. _._. � . <br /> - ---__ 20 to 30 inches below the soil surface. - -- -__ ._-- . -- -___-----__ _- -- -. . _--_ _ .. <br /> The swale itself is generally linear with no evidence suggesting natural origins. Rather the configuration of the swale is <br /> straight with a uniform depth and slightly sloped side banks. � <br />. • � <br />