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GENERAL33252
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Last modified
8/24/2016 7:55:20 PM
Creation date
11/23/2007 7:35:20 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
General Documents
Doc Name
MINING PLAN DECISION DOCUMENT FOIDEL CREEK MINE FEDERAL LEASE COC 53560
Permit Index Doc Type
GENERAL CORRESPONDENCE
Media Type
D
Archive
No
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Any Ute lady's tresses that might be present within the proposed <br />lease area would not be impacted by proposed operations. The only <br />potential habitat for this species occurs along the floodplain of <br />Fish Creek, outside the area proposed for mining-related <br />disturbance (OSM, 1993). <br />Wildlife <br />Raptor Heats in the cliffs of the Twentymile Sandstone may be <br />disturbed by rock falls or elides and increased spelling of the <br />cliff face due to increased stress from subsidence.. TCC ie <br />committed to working with the Colorado Division of Wildlife and the <br />U.S. Fish and Wildlife Service (DSFWS) to conduct Heating surveys <br />prior to mining under the cliffs if mining is to occur during any <br />Heating aeneon (February to July). if nn active rnptor neat is <br />identified for a species of interest, then the USFWS will be <br />contacted so that a permit can be obtained to take the neat (Cyprus <br />Twentymile Coal Co., 1993). Any activity affecting the neat, such <br />as relocation, would then be supervised by USFWS, mitigating <br />potential impacts to the fullest extent possible. <br />Bald eagles that mny migrate through the proposed lease area would <br />not be impacted by proposed operations. The only potential habitat <br />for this species occurs along Fieh Creek, outside the area proposed <br />for mining-related disturbance. The Colorado squawfieh, humpback <br />chub, bonytail chub, and razorback Bucker do not occur within the <br />proposed lease urea, but water depletion within the upper Colorado <br />River basin ie thought to cause a negative impact to these fish <br />species. Mining activities at the Foidel Creek Mine, including <br />those anticipated for the proposed lease area, would consume up to <br />157.7 acre-feet of water from the basin each year. Proposed mining <br />activities would have ^no affeet^ on the statue of the four <br />endangered fish species because water augmentation and deep aquifer <br />pumpage proposed by TCC would be sufficient to affeet any water <br />loot during mining activities (OSM, 1993). <br />No impact is expected to occur to <br />habitat in Fieh Creek, big game or <br />thickness of the overburden. (See <br />coneequencee for Vegetation.) <br />the greater sandhill crane <br />grouse habitat due to the <br />the section on environmental <br />Cultural <br />Assuming that areas within the lease covered by Quaternary and <br />Recent sediment will indeed subside in a uniform manner, those <br />portions of the lease area that have not been inventoried need not <br />be inventoried at this time and no mitigative excavation of <br />eligible open campsite SRT32 is needed at this time. The mine plan <br />permit should stipulate that in the event that cracks are observed <br />during the early stages of mine operatlon within the proposed lease <br />area, mitigative excavation of SRT32 and additional surface <br />inventory will be required. <br />According to a stability analysis of the sandstone cliff in which <br />rockehelter SRT345 is located, subsidence resulting from mine <br />operation is likely to cause structural failure and ensuing <br />downslope movement of rock debris. In order to mitigate the <br />adverse affect of exfoliation of sandstone causing damage to the <br />rock art, the rock art should be thoroughly mapped, drawn, and <br />photographed to archival standards and cultural affiliation <br />interpretetl. The rockehelter ie located at the base of a sandstone <br />cliff in Hazard Zone 6 beneath an arcuate rock failure zone (ROee- <br />14 <br />
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