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REV05123
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REV05123
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Entry Properties
Last modified
8/25/2016 1:03:30 AM
Creation date
11/21/2007 9:23:04 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
Revision
Doc Date
5/29/1996
Doc Name
MEMO MINE PLAN REVIEW FOR THE TCC FOIDEL CREEK MINE
From
OSM
To
DMG
Type & Sequence
PR3
Media Type
D
Archive
No
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SET?f 8Y= ~ 29-96 3=34PId WSC~PD-' 303 832 8106:# 3/ 6 <br />cropping, cultivation, or harvesting of plants. Yet one of the <br />segments of Foidel Creek in question was referred to as "Pasture <br />19" (see pg 27 of Colorado's findings of compliance). Because <br />Colorado proposed that these creeks receive a negative AVF <br />determination, there was no requirement for a restoration plan <br />regarding the hydrologic function of the streams were subsidence <br />to significantly impact the AVFs. <br />Please clarify whether Colorado considered pasturing or grazing <br />of livestock in the subirrigated areas of Foidel and Middle <br />Creeks when reaching its negative AVF determination. VCf,~ G~c~S,S 5~ <br />Gl0 (~i l l ~'GwcPi7~ 1/~e/. ~JyyliN/N~~/ <br />~iv~-, ad~ w~..,~- v / IMP. <br />Plans to Address Erosionai_ Impacts to the Stream Channels O5~ <br />reviewed TCC's proposal regarding measures to control <br />headcutting, erosion, and ponding in the event these conditions <br />become excessive to the point that the hydrologic balance of the <br />affected streams may become impaired, as specified by the ~~/„_~~f3 <br />mitigation measure contained in Attachment B in the EA. ~GS -~~r~~y~.~~a„' <br />'t'he applicant estimated that 6 feet of surface subsidence will <br />occur in the Foidel and Middle Creek areas (see pg 2.05-126 (b) <br />and exhibit 7i of PR-3). In addition, the applicant projected <br />impacts to a nearby county road (surface cracking has been <br />observed and is predicted to occur on County Road 33 which runs <br />parallel to Foidel Creek, see pg 2.05-126 of PR-3). OSM's finds <br />these subsidence predictions, concerning estimates of the amounr_ <br />and location of surface subsidence that will occur, to be <br />
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