2014-09-12_REVISION - C1996083 - Laserfiche WebLink

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o Implement mitigation measures required by the USFS and BLM to preserve or avoid destruction of cultural resource values. Mitigation may include relocation of proposed facilities, testing, salvage, and recordation or other protective measures. All costs of the inventory and mitigation will be borne by the lessee or operator, and all data and materials salvaged will remain under the jurisdiction of the U.S. Government as appropriate. The lessee or operator will immediately bring to the attention of the USFS and BLM any cultural or paleontological resources or any other objects of scientific interest discovered as a result of surface operations under this lease, and will leave such discoveries intact until directed to proceed by USFS and BLM. INVASIVE, NON- NATIVE SPECIES Noxious weed control will be required along access routes and at drill sites, in accordance with the Colorado Noxious Weed Act. In addition, the following stipulation will be required: ■ An inventory will be completed for noxious weeds within the LBA tract before construction begins in order to determine whether there is a need for pre- treatments (with results of the inventory shared with the USFS and BLM weed specialist). THREATENED, ENDANGERED, AND SENSITIVE SPECIES • State -of -the -art mining techniques (pillar and panel widths, rate of coal development and extraction, mine method, determining angle of draw, etc.) will be used to control subsidence. • No mining - related surface disturbance (i.e., MDWs and roads — not including subsidence) will occur within 200 feet of greenback cutthroat trout (GBCT) occupied habitat, as measured from the normal high water mark, without a written finding from the Authorized Officer. • If there are existing roads or disturbance features within the 200 -foot buffer along GBCT habitat streams, then no additional surface disturbance will be permitted within those areas_ Maintenance of roads or other existing features must remain within the existing road prism or footprint of the feature being maintained. • No surface disturbance, such as road widening or upgrading will occur within 200 feet of GBCT occupied habitat, as measured from the normal high water mark, to protect delineated wetlands or riparian areas and maintain riparian vegetation and eliminate potential effects to the GBCT, unless exceptions were approved by the Authorized Officer. • The operator will not store equipment, machinery, or construction materials in any locations that are 200 feet or less from the riparian zones of the streams within the Terror Creek watershed. • During construction or maintenance activities in proximity to the 200 -foot riparian buffer zone, the edge of the buffer zone will be marked for avoidance by construction equipment and activities. E