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REV08262
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Entry Properties
Last modified
8/25/2016 1:08:55 AM
Creation date
11/21/2007 9:51:43 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
Revision
Doc Date
4/6/1992
Doc Name
PN C-81-038 MIDTERM REVIEW 2 02/19/1992
From
CYPRUS ORCHARD VALLEY
To
MLRD
Type & Sequence
MT2
Media Type
D
Archive
No
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<br />C c~rp~us <br />"~ Orchard Valley <br />March 31, 1992 <br />aPR 6 199? <br />Mr. Steve S. Shuey <br />Reclamation Specialist <br />Colorado Mined Land Reclamation Division <br />215 Centennial Building <br />1313 Sherman Street <br />Denver, ~ 80203 <br />Cyprus Orchard Valley Mine <br />P.O. Box 1299 <br />Paonia, CO 81428 <br />Phone: 303-527-4135 <br />Fax: 303.527-2234 <br />~~CE11,c~ <br />Mined Land <br />RE: PERMI'P YU. C-81-038, hIIDTERM REVIEW NO. 2, FEBRUARY 19, 1992 <br />_ ~ <br />Dear Mr Shuey: <br />The follo,~ing information is submitted in response to Midterm Review No. 2 <br />items identified in your February 19, 1992 communication as requiring revision <br />or updating: <br />Itert 1: Please submit a technical revision which provides a hydrologic <br />budget for the Steven's Gulch drainage basin, incorporating the monitoring <br />data collected from the operation of the Steven's Gulch evaporation pan <br />(2.04.8)(b) and (c). <br />Response 1: After reviewing information collected from the operation of the <br />Steven's Gulch evaporation pan, the Steven's Gulch observation wells, surface <br />water monitoring station SW-5, snow worse data, and the fan level <br />precipitation gauge, Cyprus Orchard Valley Coal Corporation (COVCC) wncludes <br />that insufficient data exists to define a detailed hydrologic budget for the <br />Steven's Gulch drainage basin at this time. <br />It is CbVCC's understanding that the original intent in defining a hydrologic <br />budget for the Steven's (filch drainage basin was to provide a basis for <br />distinguishing between natural and mine related water losses within the basin. <br />Larx3uage to this effect was presented in the 1985 Findings docwnent dated June <br />20, 1985 (refer to page 32). The referenced language was followed by <br />Stipulation No. 5 requiring Colorado Westmoreland, Inc. (CWI), the mine <br />operator at the time, to install arxi maintain raingage aryl evaporation pan <br />monitoring at or near the Steven's Gulch wellfield. <br />In response to Stipulation No. 5, CWI installed an evaporation pan and began <br />monitoring in August of 1985. The evaporation pan was monitored during 1986, <br />1987, and 1989. Evaporation pan monitoring was inadvertently omitted during <br />1988, 1990, and 1991. Permit No. C-81-038 was transferred from CWI to COVCC <br />on November 30, 1988. <br />Ill IIIIIIIIIIIII III <br />
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