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. . <br /> � <br /> • = BOL_TON 8� M � N K , I NC� <br /> . Consulting Engineers & Surveyors <br /> '� �� � 2638 Shadow Lane, Suite 200•Chaska, MN 55318-1172 <br /> Phone(952)448-8838• Fax(952)448-8805 <br /> www.bolton-menk.com <br /> October l7, 2013 <br /> City of Orono <br /> Attn: Jesse Struve <br /> PO Box 66 <br /> Orono, Mn 55323 <br /> RE: Wetland Buffer Area; Permit#2011-01475 <br /> 805 Forest Arms Lane <br /> Dear Jesse: <br /> As requested, I examined the wetland buffer at 805 Forest Arms Lane on October 14, 2013. I offer the <br /> following observations, comments, recommendations, figures and pictures for your consideration. <br /> 1. The steep slope rising to the county road is blanketed and stable, and the addition of bio roll will help <br /> to keep the blanket in place. However, no vegetation was noted on the slope at this time. <br /> 2. No markers are located in the field to delineate the upland edge of the buffer. However,the area at the <br /> base of the slope and the buffer appear to be vegetated with a nurse crop. The native vegetation is not <br /> yet established. It typically takes a minimum of 3 years for native vegetation to predominate a newly <br /> vegetated area. <br /> 3. The City should continue to hold enough escrow for native vegetation establishment for up to 2 more <br /> years to ensure that the buffer is established properly. <br /> Please contact me if you have any questions or need additional information. <br /> Sincerely, <br /> BOLTON & MENK, INC. <br /> Mark L. Perry, WDC <br /> Natural Resources Specialist <br /> Cc: David Martini, Bolton& Menk <br /> Robert Bean, Bolton& Menk <br /> Attachments: 2013-OS-30 Site Photogaphs <br />