2014-08-20_REVISION - C1980005 - Laserfiche WebLink

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PUBLIC NOTICE Seneca Coal Company, 36600 Routt County Road 27, P.O. Box 670, Hayden, Colorado 81639, has filed with the Colorado Division of Reclamation, Mining and Safety, an application for Technical Revision (No.53) to the Seneca II Mine, Permit C -80 -005. This technical revision is for termination of the existing water quality monitoring program associated with the approved mining permit. The Seneca II Mine proposes to terminate monitoring on the following sites: • GW -S41 -W • GW- S41 -LW1 • GW -S68 -A • Well SFAL72 (also known as Twentymile Coal Company Well 008 -AU -3) • Stream Site SSF11 • Stream Site SSB12 • Stream Site SSF13 A Phase III application (SL -6) for all remaining disturbance related to mining was submitted on June 1St, 2014 and an inspection of the permit area was completed by the Colorado Division of Reclamation Mining and Safety (CDRMS) on August 18th, 2014. Justification for termination of monitoring is addressed in the Hydrology section of the bond release application and also as a part of TR47 which was approved in 2009 (Attachment 7 -3, Tab 7 of the Seneca II permit document). Following issuance of a final decision from the CDRMS, the wells will be reclaimed and abandonment reports will be submitted with the exception of Well SFAL72 (aka Well 008 -AU -3) which was established as the alluvial ground water point of compliance in TR -47. The well is still currently used as a monitoring site for the Foidel Creek Mine (Twentymile Coal, LLC). The general legal description of the Seneca II Mine Permit Area is described as: • Sections 1 and 12, T5N R87N • Sections 6 and 7, T5N R86W • All west of the 6th Principal Meridian; totaling 271.2 acres. Legal owners of record of the surface of the permit area include: • Colorado, State of (Board of Land Commissioners) The Seneca II Mine is located approximately nine miles southeast of the Town of Hayden, Colorado. The USGS 7.5 Minute Quadrangle Maps of Milner, Colorado, and Mt. Harris, Colorado, contain the described permit area. No change in land use is associated with this revision. A copy of the complete technical revision application is available for public inspection at the Hayden Public Library, 225 E. Jefferson Avenue, Hayden, Colorado 81639. Written comments or objections to the application may be submitted to the Colorado Division of Reclamation, Mining and Safety, 1313 Sherman Street, Room 215, Denver, Colorado 80203- 2273.