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12-08-1997 Council Packet
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12-08-1997 Council Packet
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I***- <br />Westwood Professional Services, Inc <br />September 24, 1997 <br />Mr. Jim Hafher <br />Minnehaha Creek Watershed District <br />2500 Shadywood Road <br />Excelsior, MN 55331 <br />I4180W«st Highway? <br />EiJen Pfaine. VN 55344 <br />Phont: 612-937 5150 <br />fa«: 6I2-937-5822 <br />Toll Fret: 1-888-937-5150 <br />Emati: wps^estwoodps.com <br />Ref: 97648 <br />Re: Request for Written Wetland Boundary Confirmation for Wetland Delineation of Lake <br />Minnetonka Woods Property, Lots 2 and 3, Block 9, SE1/4 SW1/4 of Section 17, T117N, <br />R23W, City of Orono, Hennepin County, Minnesota <br />Dear Mr. Hafher: <br />I am writing to request written confirmation from the Minnehaha Creek Watershed District that the <br />wetland boundaries delineated for the above referenced site are acceptable for local administration of the <br />Minnesota Wetland Conservation Act of 1991, as amended. The following te.xt and attached data forms <br />provide the required documentation for the delineation. <br />WETLAND DELINEATION METHODOLOGY <br />Wetland boundaries were delineated and flagged in the field by Westwood Professional Services on <br />August 11,1997 using the Corps of Engineers Wetlands Delineation Manual (Environmental <br />Laboratory, Waterways Experiment Station, 1987). This manual is currently followed to delineate <br />wetlands regulated under the Minnesota Wetland Conservation Act of 1991 and Section 404 of the <br />Federal Clean Water Act. The level two routine delineation method was used in which sampling transects <br />were established in a representative transition zone of each identified wetland. Transects consisted of one <br />sampling point in obvious upland and one in obvious wetland. Soils, vegetation, and hydrology information <br />were recorded at each point on data forms. Species dominance for vegetation measurements was based on <br />the percent aerial or basal coverage visually estimated within a 30-foot radius for the tree and shrub layers <br />and a five-foot radius for the herbaceous layer within the community type sampled. <br />Prior to delineating the wetland boundaries in the field. National Wetlands Inventory (NWI) mapping, <br />the Soil Survey of Hennepin County, Minnesota (USDA, 1974), and Department of Natural Resources <br />(DNR) Protected Waters Mapping (1981) were reviewed. The soil survey shows the southern and <br />western portions of the property mapped as Marsh with the remainder being Hayden loam and Cut and <br />Fill Land. The NWI map shows two PEMF (Palustrine emergent, semipermanently flooded) wetlands in <br />the southern portion of the site within the area designated as Marsh on the soil survey. The DNR <br />Protected Wetlands Map for Hennepin County shows Protected Wetland 27-914W on the southern half <br />of the property roughly corresponding to the NWI-mapped wetlands. <br />Wetland areas were classified according to Wetlands of the United States (U.S. Fish and Wildlife Service <br />Circular 39 : Shaw and Fredine, 1971) and Wetlands and Deepwater Habitats of the United States <br />(FWS/OBS Publication 79/31; Cowardin et. al. 1979). Throughout the remainder of this report, wetland <br />areas are identified first by their Circular 39 Classifications. Cowardin Classifications are included in
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