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'91 10~45AM CC'LOWYO r_OAL <br />LTC-11 ~yuis <br />r <br />CONTRACTORS <br />ENGINEERS <br />DEVELOPERS <br />~MORRISON-KNUDSEN COMPANY, INC. <br />F%EC'JTHE OFFICE <br />MORPIpON•RNUOSEN PLAU <br />PO 60% 790919019E. IOAMO V a' A. 9J7pp <br />PHONE. (!09) JpbEOW+TELE%~ J9MJ9 <br />April 14, 1986 <br />REPLY 70 MCPRgON~RNU09EN COMPANY, INC <br />P,O. p0%17ptp <br />9AN ANTONIO. TE%A9 U.9.A. 117'1 <br />PHONE: 171 p197~-0~91 <br />Mr. D. ~. Rose <br />Operations Manager <br />Yampa Mining Company _ <br />P. 0. Box HH _ - <br />Hayden, Colorado 81639 <br />Subject: Certification of Outfatl 007 =~pYe`Pond-~:B°~ <br />Dear Mr. Rose: <br />On April 11, 1986 1 performed an inspection of the outfall 007, located at <br />the Tipple Pond "B" at the Hayden Gulch Mine. I am a registered Profes- <br />sional Engineer in the State of Colorado and am experienced in the design <br />and supervision of earthen construction. <br />The purpose of my inspection was to certify the structure as required in <br />Rule 4.05.06(7) of the Colorado Mined Land Reclamation Division (CMLRD). As <br />part of my inspection, I have reviewed the permit design documents, surveyed <br />information of the site, and have inspected the structure. I have also <br />discussed the construction of the structure with the engineering staff at <br />the mine. <br />The structure named herein has been constructed as shown in the original <br />permit application, and is currently being modified in accordance with the <br />design approved on October 24, 1985. The structure has been constructed <br />using prudent and proper construction techniques. With the Installation of <br />the spillwa E d wilt meet all CMLRD requirements. <br />4~• tai a r~ ~'fi <br />~~ ' ° ~r~. <br />.•: _ ~ _ <br />,ferry _ , WC gegTStered P. E. No. 17570 <br />JES:sr ~'4sLb:"_"~ <br /> <br />