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/?7r- <br />September 28, 2012 <br />mt7/ <br />o0/0 <br />General Shale <br />Building The American Dream <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman St. Room 215 <br />Denver, CO 80203 <br />4- <br />Attention: Mr. Berhan Keffelew <br />Subject: Technical Revision to Ute Mine for Weed Control Program <br />Dear Mr. Keffelew: <br />rk Z <br />OCT CJ ' 2012 <br />General Shale Brick, Inc. (General Shale) is respectfully submitting a technical revision and fee <br />for a weed control plan for Ute Mine. <br />General Shale has identified some or all of the following weed species: <br />Common mullein Common teasel Canada Thistle <br />Diffuse knapweed Houndstongue Musk Thistle <br />Russian knapweed Bull Thistle Scotch Thistle <br />General Shale will utilize a contractor to spray the weeds. The contractor will be asked to use <br />herbicides that are not toxic to humans or animals. The herbicide used will depend on which <br />weeds are present. The mines will be sprayed on an as needed basis and /or every other year if <br />there weeds are present. If necessary the weeds will be mowed prior to the application of the <br />herbicide. Mowing. depending on the weed species present, may be used as a treatment in <br />addition to the weed spraying. <br />If ) on ha\ e and questions please feel free to contact me at (303) 783 -3058. <br />Sincerely, <br />General Shale Brick, Inc. <br />/ / <br />Jason E. McGraw G.1.T., E.I.T. <br />Mine Superv <br />