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REV07878
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REV07878
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Entry Properties
Last modified
8/25/2016 1:08:37 AM
Creation date
11/21/2007 9:47:57 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Revision
Doc Date
8/13/1996
Doc Name
SANBORN CREEK MINE C-81-022 PERMIT REVISION 3
From
DMG
To
SUSAN BURGMAIER
Type & Sequence
PR3
Media Type
D
Archive
No
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• • <br />STATE OF <br />~iiiiii iiiiiiiiu iii <br />999 <br />COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of NaWral Resources <br />1313 Sherman SL, Room 215 <br />Denver, Colorado 80203 <br />Phone: 1303) 866-3567 <br />FAx (303) 832-8106 <br />DATE: August 13, 1996 <br />TO: Susan Burgmaiet~r <br />FROM: Mike Boulay M~J <br />RE: eanborn Creek Mine; C-81-022; <br />Permit Revision No. 3 <br />~I~ <br />DEPARTMENT OF <br />NATURAL <br />RESOURCES <br />Ray Romer <br />Governor <br />lames S. Lnchhead <br />E.eculive Dueuor <br />M¢hael B Long <br />Divivan DirecWr <br />I have reviewed Oxbow Carbon and Minerals (OCMs) response to our <br />adequacy concerns regarding geology and hydrology issues with PR <br />03. I believe that my adequacy concerns as stated in my memo to <br />you dated June 27, 1996 have been addressed. From their response, <br />I understand that they have completed or will perform the <br />following: <br />• They are currently permitted to discharge to the North Fork <br />Gunnison River and are capable of handling 500 gpm in the <br />event of a serious mine inflow situation. <br />• They will monitor Thompson Creek at a point upgradient from <br />the North Fork Gunnison River and will use data collected in <br />1996 as baseline to determine future effects if any. <br />• They have offered to install one monitoring well within the <br />lease modification area, we should follow up on this and <br />ensure that the monitoring well is installed at a proper depth <br />and location. <br />• A spring and seep survey has been performed for the lease <br />modification area. <br />The above mentioned items if implemented, will satisfy my adequacy <br />concerns regarding the hydrogeology of the site. <br />c: David Berry <br />
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