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P.O. Box 1484 <br />Idaho Springs, CO 80452 <br />February 11, 2015 <br />Mr. Michael Cunningham <br />Environmental Protection Specialist 7W0-'� <br />RE: Phoenix Mine; DRMS File No. M- 1982 -075; Permitting for Tourist Mines <br />Dear Mr. Cunningham, <br />�,ifEB 17 20, <br />t�nnsion of Reclamation, <br />Mining & Safety <br />Please consider this letter and attached diagram as the required Technical Revision for Reclamation permit <br />M- 1982 -075, for the Phoenix mine located in Clear Creek County. <br />The Phoenix mine is historic gold mine located in Clear Creek County, Colorado. It is both a permitted mine <br />holding permit M- 1982 -075 and is also used for guided tours for the general public. To protect the general <br />public that participates in tours of the mine from the inherent dangers that are posed by the ongoing prospecting <br />activities being conducted at the Phoenix mine, the following management policies have been adopted. <br />1) Conducted tours of the facility will only be allowed to enter areas of the mine that are specifically designed <br />for tours. On figure 1 of this report, this area within the permit boundary is shown with a faded red shading <br />for the surface plant. <br />2) The exploration and mineral concentration testing activities will only take place in areas of the facility that <br />area separate from the tour route during the hours when tours area being conducted. <br />3) Equipment access to underground exploration areas through the tour route will only take place during <br />hours when the tours are not being conducted. This includes the use of rail haulage equipment and the <br />transportation of supplies to the exploration areas. <br />4) No exploration activities will take place during tour hours that will impact the air quality of the tour route. <br />5) Underground access from the tour routes to exploration areas within the mine will be locked and no entry <br />signs posted during the hours that tours are taking place. <br />6) Before the start of normal tour operations, all underground openings used to access exploration areas of <br />the mine will be inspected for potential hazards by qualified individuals to insure that no hazards exist along <br />the tour route. Any hazardous conditions found will be corrected before tours are conducted. <br />It is the intent of the management of the Phoenix mine to both conduct safe tours of the mine while continuing <br />to complete limited exploration and mineral concentration testing activities. <br />If you have any questions about this, I may be contacted at (775) 385 -3638. <br />MSincerely, "i <br />1 <br />David Mosch <br />Mining Engineer/ Co -owner of the Phoenix Mine <br />Enclosure <br />