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• � BO�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.boiton-menk.com <br /> May 8, 2013 <br /> City of Orono <br /> Attn: Melanie Curtis <br /> PO Box 66 <br /> Orono,MN 55323 <br /> RE: Buffer Restoration <br /> 1400 Bracketts Point Road <br /> Dear Melanie: <br /> As requested, we have completed a review of the documents pertaining to the buffer restoration at the above <br /> referenced location and have met on site with Mike Newberg(property manager)to review restoration <br /> progress. Our current review is based on the following items: <br /> • Summary memo by City of Orono;dated 5/1/13 <br /> • Buffer Mitigation memo by Bonestroo; dated 5/23/11 <br /> • Restoration Plan comments by Bonestroo; dated 7/8/11 <br /> • Restoration Plan by Gronberg&Associates; dated 7/5/11, updated 7/26/11 <br /> • Site review with Mike Newberg on 5/8/13 <br /> We offer the following observations,comments, and recommendations for your consideration: <br /> 1. The six Maple trees from nursery stock(1"-1 �/z" diameter)and 17 Maple trees from volunteer <br /> seedlings have been planted as indicated on the plan. The trees are adequately spaced and located at <br /> the top slope of the shoreline, which will help anchor the slope and prevent erosion. <br /> 2. All of the nursery stock and volunteer seedlings are showing good growth through last year's <br /> growing season. Mike is continuing to water the trees as necessary. <br /> 3. As discussed with Mike, clearing of sumac around the seedlings will be necessary this year to <br /> provide the seedlings room for growth. <br /> 4. Invasive species (European Buckthorn,Tartarian Honeysuckle, Garlic Mustard, and Leafy Spurge) <br /> continue to be managed. They have been cut back during the previous growing season and treated <br /> per indications listed in the restoration plan. However, some growth of all species still exists, and <br /> additional management per the restoration plan should be continued. <br /> 5. The dead cottonwood tree has been removed, and the hackberry tree with 30% dieback has been <br /> trimmed to remove dead limbs. <br /> Please let me know if you have any questions or need additional information. <br /> Sincerely, <br /> BOLTON &MENK, INC. <br /> �.6�� 6��� <br /> Robert E. Bean, Jr., P.E. <br /> Water Resources Engineer <br />