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2 <br /> HART ENVIRONMENTAL <br /> P.O. 13ox t_sos Boulder, Colorado so3o6 Phone: 303,244.6602 <br /> April 16,2010 <br /> Mr.Terry McKee <br /> U.S.Army Corps of Engineers <br /> Denver Regulatory Office <br /> 9307 South Wadsworth Blvd. <br /> Litttleton,CO 80123-6901 <br /> Re: Amendment of Nationwide Permit No. 13 for Boulder Creek Bank Stabilization <br /> (Corps File No.NWO-2010-564-DEN) <br /> Dear Terry: <br /> This letter is written on behalf of my client Mr. Les Williams,who would like to <br /> amend the above referenced Nationwide Permit No. 13 in order to install concrete rip-rap <br /> along two additional sections of Boulder Creek. The current Corps authorization pertains <br /> to a 200 hundred foot section along the east bank of the creek.In addition,my client <br /> seeks authorization from the Corps to stabilize two additional areas totaling 200 feet,of <br /> the west bank of Boulder Creek,for a total of 400 feet under the above cited Corps File <br /> No. <br /> I have reviewed the Corps March 12,2007 criteria for Nationwide Permit No.13 <br /> (NWP-13)and believe that the proposed bank stabilization work complies with those <br /> criteria.The proposed work will not exceed an average of one cubic yard of rip-rap,per <br /> running foot of bank,placed below the plane of the ordinary high-water mark of Boulder <br /> Creek. <br /> Enclosed with this letter requesting authorization for bank stabilization under <br /> NWP-13,please find the following: <br /> 1. Project description including applicant's information;description of the work <br /> to be done; legal description of project location;directions to the site,and <br /> contact information <br /> 2. Aerial photograph,and <br /> 3. Two digital images showing the existing condition of the southerly most <br /> section of the west bank to be stabilized. <br /> After you have had an opportunity to review this request,please do not hesitate to <br /> call me at(303)444-6602 if you have any questions or require any additional information <br /> about the proposed work. <br /> Sincerely, <br /> Michael J. Mike)Hart <br /> Encl. <br /> cc: Mr. Les Williams,Property Owner <br />