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Wetland delineation-2010
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Wetland delineation-2010
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Last modified
8/22/2023 5:03:32 PM
Creation date
8/2/2017 1:02:50 PM
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x Address Old
House Number
60
Street Name
Myrtlewood
Street Type
Road
Address
60 Myrtlewood Road
Document Type
Misc
PIN
3611823330020
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Introduction <br /> On August 23, 2010, Arrowhead Environmental Consulting (AEC) performed a wetland <br /> delineation for the property located at: <br /> 60 Myrtlewood Road, Orono, MN 55391. The legal description of the parcel is: A part of <br /> the SW '/ of Section 36, T118N, R23W, Hennepin County, Orono, Minnesota. The <br /> parcel is a total of 6.69 acres. <br /> Methods <br /> AEC utilized the 1987 US Army Corps of Engineers Wetlands Delineation Manual and <br /> Midwest Regional Supplement to perform the wetland delineation. A United States <br /> Geological Survey (USGS) Map (Excelsior Quad) (Figure 1), the Minnesota Department <br /> of Natural Resources (MN DNR) Public Water Inventory (PWn Map (Figure 2), the <br /> Hennepin County Soil Survey Map (Figure 3), and the National Wetland Inventory <br /> (NWI) Map (Figure 4) were reviewed prior to the site visit and used in the delineation <br /> process. The delineated wetland boundaries (approximate) are indicated on Figure 5 and <br /> are overlaid on a 2009 aerial image. AEC used the routine delineation method. <br /> Wetland classification followed methods described by the USACOE - St. Paul District; <br /> Eggers and Reed "Wetland Plants and Plant Communities of MN and WI". The Circular <br /> 39 and Cowardin et al. classifications are given as well. The indicator status of plants <br /> was determined using the National List of Plant Species That Occur in Wetlands — <br /> Region 3 (Sabine 1999). In accordance with the Midwest Regional Supplement, the + <br /> and—have been removed from the vegetation indicator status. <br /> Pink flagging was used to delineate the wetlands and was hung from vegetation along the <br /> wetland edge. Sample points were taken to document the vegetation, soils, and <br /> hydrology indicators within representative upland and wetland locations. <br /> Results <br /> Office Results <br /> Wetland 1 is indicated on the NWI map as a PEMF/PUBF wetland, Wetland 2 is <br /> indicated on the NWI map as a PEMB wetland. The Houghton soil series is mapped <br /> within the area of Wetlands 1 and 2. The Houghton soil series is classified as a hydric <br /> soil (SCS Hydric Soils of the United States). Wetland 1 is indicated on the Minnesota <br /> Department of Natural Resources Public Water Inventory Map (PWI) as Wetland 831-W <br /> (Approximately 4.53 acres in size); Wetland 2 is not indicated on the PWI map. <br /> Field Results <br /> Wetland 1 <br /> Wetland 1 is described as a Shallow Marsh (Type 3, PEMF) wetland. Wetland 1 is <br /> primarily dominated by reed canary grass (Phalaris arundinacea), hummock sedge <br /> 1 <br />
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