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REP06622
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Entry Properties
Last modified
8/24/2016 11:37:03 PM
Creation date
11/26/2007 11:24:34 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Report
Doc Date
3/6/1995
Doc Name
MEMO COLOWYO MINE C-81-019 1994 AHR REVIEW
From
DMG
To
ERICA CROSBY
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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iii iiiiiiiiniu iii <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmem of Natural Resources <br />131 3 Sherman Sl , Room 215 <br /> <br />Denier, Colorado 80207 ~~~~~ <br />Phone: 0031 866-7 56 7 <br />FAX.1703)832-0106 <br /> DEPARTMENT OF <br /> ~$ <br />DATE: March 6, 1995 ~ ~UR <br /> <br />TO: Susan Burgma i <br />er Roy Romer <br />Governor <br />CC <br />~ IamesS Lochhead <br />FROM: Erica Crosby G Ececuuve Director <br /> Michael B Long <br />RE: Colowyo Mine (C-81-019) Divi lion Director <br />1994 AHR Review <br />Susan, the Colowyo 1994 AHR has arrived. According to your memo <br />dated February 14, 1995, you are to review all of the Colowyo AHR. <br />It appears that the operator performed the monitoring required in <br />the permit. This report also contains the ARR, pond inspections, <br />fill inspections, NPDES reports etc.. Also enclosed is your 1993 <br />AHR review. Hopefully, all of your concerns have been addressed. <br />I have a few comments regarding the report; <br />1. The pond inspection reports have not been revised to conduct <br />annual sediment surveys of their ponds as noted in your 1993 <br />AHR review. Colowyo was made aware of this fact in December <br />of 1994. We should hopefully see a change in the 1995 pond <br />inspection reports. <br />2. Taylor Creek was not monitored in 1993 and 1994 because no <br />flow was noted. <br />3. Colowyo is required to conduct quarterly piezometer well <br />testing on the fills. I was unable to locate this data in <br />this report. Let me know if you can find it anywhere. <br />Please let me know if you have any questions or need additional <br />information. Thanks!!!!!!!!!!!!!!!!!!!!!!!!!!!! <br />c:\colowyo\950306 <br />
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