2009-04-15_REVISION - X200923100

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The additional proposed exploration area is in an area previously permitted for disturbance (Seneca II) and is adjacent to an existing road. Surface owner listings, access agreements and cultural resource clearances have been completed for the proposed site as part of the original NOI request. Review of the proposed location did not identify any potentially impacted wildlife resources requiring avoidance or specific mitigation measures (refer to accompanying documentation). No road construction will be required to access the site. The proposed activities will occur during the period of July lst through October 30th, when favorable ground conditions prevail and there are no wildlife restrictions. Reclamation of exploration disturbance areas will involve plugging and sealing the drillholes, allowing the mud pits to dry-out and then backfilling the pits, replacing windrowed topsoil, and reseeding the areas. The rangeland seed mixture will be used to seed disturbed areas, as it has been used to seed disturbance areas at the Seneca II mine. It is estimated the geotechnical work would disturb approximately 3 total acres. The estimated cost for reclamation of the proposed exploration disturbance is approximately $25,000, for purposes of bonding. Changes in the supplemental information for the approved NOI have been highlighted in yellow to facilitate review of this amendment. Please replace the appropriate pages to the approved NOI according to the changes. We would appreciate your consideration and cooperation in facilitating timely review and approval of this submittal. Once you have had opportunity to review this submittal package, please feel free to contact me at 970-870-2751 with any questions or comments. Best regards, for PeWbody e reek Coal Company V B. Scott Cowman Environmental Specialist Twentymile Coal Company Attachments cc: Routt County Clerk and Recorder R. Thompson/TCC J. Nettleton/TCC M. Berdine/TCC