2017-05-12_PERMIT FILE - M2017035

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The operator may relocate activities to avoid the expense of mitigation and delays associated with this process, as long as the new area has been appropriately inventoried and has no resource concerns, and the exposed materials are recorded and stabilized. Otherwise, the operator shall be responsible for mitigation costs. The BLM authorized officer will provide technical and procedural guidelines for relocation and/or to conduct mitigation. Upon verification from the BLM authorized officer that the required mitigation has been completed, the operator will be allowed to resume construction. Antiquities, historic ruins, prehistoric ruins, and other cultural or paleontological objects of scientific interest that are outside the authorization boundaries but potentially affected, either directly or indirectly, by the proposed action shall also be included in this evaluation or mitigation. Impacts that occur to such resources as a result of the authorized activities shall be mitigated at the operator's cost, including the cost of consultation with Native American groups. In order to avoid potential impacts to breeding migratory birds, a careful visual inspection of habitat in the project area should be made prior to any surface disturbance (including cross- country routes) during the avian breeding season (March 1" through August 31"). Nesting activities may include eggs or young present in nest, adult behavioral displays (e.g. dive- bombing, faking injury, won't leave the area, agitated calling, etc.). If active nests are located, the BLM biologist must be notified immediately and appropriate protection measures which may include avoidance or restriction of activities will be established. Historic mine workings are known in the area to be used by bats as maternal roosting sites. Please avoid mechanized work or use of explosives in the vicinity of such workings between May 15 and August 31 in order to avoid disrupting potential maternal roost activity. Be aware that any improvement (blading, widening, etc.) to existing two -track roads will constitute the construction of that road, and complete reclamation may be required. The use of the two -track roads should be limited to basic project -related travel only. We have completed our review of your notice and determined that the document is technically adequate and that the proposed uses are reasonably incident to mining. You may proceed with the proposed operations, as modified above, according to federal regulations in 43 CFR 3809 when you have received a decision letter from the BLM Colorado State Office stating that your financial guarantee has been accepted for this project. This acknowledgment does not relieve the operator of the following obligations: 1. Prevention of unnecessary or undue degradation of public lands and resources. As part of that, the following site management practices shall be used when on public lands. a. No hazardous or toxic waste, waste oil or lubricants shall be disposed of on public lands. Trash and other debris should be contained on the work site and then hauled to an approved landfill. b. Burial and/or burning of trash and other debris are not authorized without specific permits from BLM and other appropriate agencies.