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GENERAL44936
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Last modified
8/24/2016 8:13:38 PM
Creation date
11/23/2007 1:26:32 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981018
IBM Index Class Name
General Documents
Doc Date
5/13/2002
Doc Name
FED MINE PLAN APPROVAL DOCUMENT 7/21/92
Permit Index Doc Type
Other Permits
Media Type
D
Archive
No
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• <br />1 t. Ttre lessee shall monhor the effects of subsidence on Red Wash and Its tributaries. H mine <br />related subs(dertp causes nick polrrts that result in headctrtting, the lessee should be required <br />to install eBectlve drop structures to stabilize the stream channels. <br /> <br />12. During the mine plan review, the lessee, MLRD, OSM, and BLJ~A shall assess the economic <br />potemlal to capture and use the gob methane and the potential for safely flaring the gob <br />methane K capture and use Is not feasible. The decision resulting from that assessment w01 be <br />Incorporated IMO the approved mine plan. <br />Unavoidable Adverse Imnects <br />Subsidence d up to flue (5) feet would occur causing a minor disruption of both surface and <br />underground hydrdogy aril soi disturbance. <br />Subsidence could also cause damage to cultural resource through disturbance of sRes by <br />shifting and mbring d features and artifacts. <br />Subsidence could puss damage to previously unrecorded vertebrate fossil localities due to <br />breaking and/or crushing d fossY remains. <br />Construction d the degaslfiption wells and access roads w01 puss a change in surface soli <br />structure and vegetation composition on an additional 19 acres. <br />Vent~ation d the mine would emR one (1) m~lion cubic feet d methane, plus an undetermined <br />• amount of Arbon dioxide and other gases per day. An additional fi00 thousand cubic feet of mbced <br />gases would be vented each day from the gob pas ventilation hdes C fl is rxrt feasible to capture and <br />use f[ or fl n pn not be safely flared. <br />Short-Term Uses/Lonp-Tenn ProductNkv <br />During the short-tens approximately 19 acres d vegetation and soB would be disturbed. After <br />rehablitation d the sites long-tens productivity should not be affected. <br />Irreversible or Irretrievable CommRmems d Resources <br />Once the coal under the trail has been mined, subsidence d up to five (5) feet could occur. <br />The mining d 9.7 m011on tons d coal under the proposed acdon or potentially up to 10.3 million <br />tons d coat under the CSO aherttatlve Is an Irreversible and Irretrievable commitment of that resource. <br />The mining of the proposed lease area would cominue the loss d approxmately 1.24 mnlion <br />cubic feet of methane per day for epprwdmately seven (7) to seven and one~taM (7!h) years. If the gob <br />methane pn be economically pptured and used the methane lost per day would be reduced to one (1) <br />m0ilon cubic feet <br />Cumulative Impacts <br />Proposed Action <br />• This aftematNe w01 provide an additional 8.7 million tons d coal from the lease <br />appliptton trail and 1.0 m011on tons from leases COC023703 and COC44693 to the coal already <br />being produced from the Deseredo Mine. This addRlonal coal w01 provide approximately seven <br />
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