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May 1, 2007 <br />U <br />~~ <br />Denver, Colorado 80203 <br />Deaz Mr. Gorham, <br />Kent Gorham <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />REG~l~~~D <br />Mar ~ o zoos <br />~ ~ .:;f.m,iauOn, <br />,....:::y .,~~~ ~arety <br />RE: Northfield Mine <br />Permit No. C-2006-085 <br />Please accept the following narrative and supporting documents as response to Northfield <br />Mine permit application Adequacy Review of November 28, 2006 and December 15, <br />2006. Responses were prepared by Environmental Alternatives, Inc., and Weaver <br />Engineering Services. <br />1. The application form is edited to reflect approximately 20 acres of disturbed area <br />for the surface facility (Exhibit A). <br />2. The permitting contact address on page three of the application is edited to reflect <br />Environmental Alternatives Inc.'s new office address. <br />3. Mapl and permit text (page 2.03-6 and Exhibit B) are edited to reflect land <br />ownership as of the date of this correspondence. <br />4. Map 1 and permit text are edited to depict structures as of the date of this <br />correspondence. <br />5. MSHA identification will be obtained by the operator who is undetermined at the <br />time of correspondence. <br />6. Personal injury and property damage insurance certificate will be forthcoming <br />(Reserve Exhibit AD) along with permit text on page 2.03-13. <br />7. Ancillary permit information is updated in Section 2.03 on pages 2.03-13 in the <br />permit text. Exhibit W contains the APCD Construction Permit Initial Approval. <br />Exhibit AE contains the Fremont County resolution for a Conditional Use Permit. <br />8. As a result of the permit boundary adjustment, the Horseshoe Coal Mine lies <br />outside the permit boundary. Neither the permit text nor the table has been <br />edited. <br />9. Metcalfe Archaeological Consultants performed a cultural survey during the week <br />of Apri12, 2007. Exhibit AF contains the final report of the surface facilities and <br />vertical cliff faces within the permit area. <br />10. Roof and floor material was obtained during recent coring in April and May. The <br />chemical analysis will be provided upon receipt from analytical laboratory. <br />Exhibit AG is reserved for the analytical data. <br />11. Material from the stratum immediately above and below the coal seam was <br />obtained during recent coring in April and May. The engineering properties and <br />thicknesses aze provided in reserved Exhibit AH. <br />`_ Cm~~®~ai~~~~~V /~II~~QI~~~tiV~~,, Ill~c~ _,~ Ilnc„ <br />402 Valley Rd, Suite G, Canon City, CO 81212 <br />CO 81212 <br />www.envalternatives.com • e-mail: eai~bresnan.net <br />Phone: 719-275-8951 • Cell: 719-429-8950 - <br />C/~,\il <br />