2014-09-12_REVISION - C1996083 - Laserfiche WebLink

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for maximum coal removal while insuring that sufficient coal is left in place to prevent subsidence. • The lessee /operator shall be required to perform the following with respect to monitoring, repairing, and /or mitigating subsidence effects on existing facilities under Special Use Permit with the Forest Service. Monitoring, repair and /or mitigation will be performed at the lessee's expense. o Baseline condition surveys of existing facilities will be completed the fall following award of lease. Reports of this survey will be deliverable to the Forest Service by December 1 of that same year. o A Surface Facility Monitoring and Mitigation Plan (Plan) will be submitted to the Forest Service for review and approval not later than 12 months prior to scheduled undermining. The Plan will detail measures to be taken to monitor, repair, and mitigate subsidence effects on the facilities during actual mining and for one year post mining. Threatened and Endangered Species • State -of -the -art mining techniques (pillar and panel widths, rate of coal development and extraction, mine method, determining angle of draw, etc.) would be used to control subsidence. No mining- related surface disturbance (i.e., MDWs and roads — not including subsidence) would occur within 200 feet of greenback cutthroat trout occupied habitat, as measured from the normal high water mark, without a written finding from the Authorized Officer. These techniques would provide for maximum coal removal while protecting the values associated with the threatened greenback cutthroat trout habitat. • Adequate sediment control devices, such as silt fences or straw wattles composed of native substances or other effective BMPs, would be placed down slope from the pads and access roads to prevent potential sedimentation effects to West Terror Creek. • In order to ensure that BMPs relating to the control of sediment from disturbed sites are in place and functional, lessee shall, during major runoff periods, use an independent contractor to inspect the lessee's well pad sites and access roads within the Terror Creek watershed. The independent contractor shall contact lessee, USFS, and the BLM (970- 240- 5300), within two business days of discovering sediment control measures that are missing or non - functional. Lessee will have three business days to correct the problem. Ineffective measures would be redesigned and replaced after consultation with USFS and BLM. For each year that lessee operates under this BA, lessee shall submit the compiled monthly inspection reports to BLM UFO by September 30. In the event new sediment control methods are identified or current practices are not working as intended, adaptive management will be used to implement methods that are effective at eliminating offsite movement of soils and sedimentation into resident streams. • At any time during drilling activities, until successful reclamation or continuing into the future, the point of access to temporary roads shall be blocked with gates to prevent vehicles, including Off - Highway Vehicles (OHVs), from using them. Signs identifying the road closure shall be placed at the barricades. AN