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REV103820
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REV103820
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Entry Properties
Last modified
8/25/2016 1:14:46 AM
Creation date
11/22/2007 1:10:58 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Revision
Doc Date
7/16/1987
Doc Name
ADEQUACY RESPONSES TR REDUCE HYDROLOGY MONITORING MT GUNNISON 1 MINE CMLRD PN C-007-80
From
WEST ELK COAL CO INC
To
MLRD
Type & Sequence
TR54
Media Type
D
Archive
No
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Susan Mowry <br />July 15, 1987 <br />Page 2 <br />the basin, no equipment (WECC backhoe) necessary to <br />move the flume can be brought in. The road may be <br />open by late summer, as plans are under way by <br />U.S.F.S, ARCO, Minnesota Canal & Reservoir Co., <br />Cattlemen's Assoc., s others to reopen the road. If <br />the flume problem is not resolved this summer, WECC <br />plans to, at the latest, have it resolved by the <br />summer of 1988. The U.S.F.S. and State Engineer's <br />Office will be contacted regarding the possible <br />alternatives. U.S.F.S. is already aware of the <br />situation. <br />WECC will advise CMLRD of the status of work on the <br />flume and final resolution of the problem. <br />A new page 4-68 has been enclosed which more <br />accurately describes the Upper Dry Fork Flume <br />situation. <br />2. WECC does not agree that the wells, springs, and <br />stream gaging stations previously installed and <br />monitored for anywhere from 8 to 10 years need to have <br />an additional 1 year of baseline monitoring before <br />mining can be carried out. Sections 2.04.7(2), <br />2.04.7(4), and 2.04.7(5) of the Colorado Regulations <br />require that sufficient data be available to determine <br />seasonal variation. Section 2.04.7(5) even says less <br />than 12 months may be acceptable of accurate <br />statistical methods approved by the Division are used. <br />WECC's baseline data covers almost 10 years. <br />Reactivation of the wells, springs, and stream gaging <br />stations will be to assess actual mining impacts. <br />WECC respectfully requests the Division to delete the <br />requirement to gather another full year of data before <br />mining in the area, as it is not required by the <br />regulations and there not a good technical reason to <br />add another year of baseline data. <br />3. Information for a defined monitoring "window" has been <br />compiled by Applied Hydrology Associates and is <br />contained in the enclosed revised pages. <br />4. Information regarding the response to number 4 is <br />included on the enclosed revised pages. <br />5. A statement regarding the agreed monitoring with <br />U.S.F.S was included in the original application for <br />revision on page 4-69. A statement has been added on <br />page 4-69 regarding agreement to monitor for <br />augmentation with the State Engineer. <br />
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