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1996-03-20_HYDROLOGY - M1977378
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1996-03-20_HYDROLOGY - M1977378
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Last modified
2/15/2021 4:24:34 PM
Creation date
6/29/2012 7:01:53 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977378
IBM Index Class Name
HYDROLOGY
Doc Date
3/20/1996
Doc Name
Mitigation Projects
From
DMG
To
EPA
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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STATE OF COLORADO <br /> DIVISION OF MINERALS AND GEOLOGY <br /> Department of Natural Resources <br /> 1313 Sherman St, Room 215 <br /> Denver,Colorado 80203 <br /> Phone:(303)866-3567 <br /> FAX:(303)832-8106 iot <br /> DEPARTMENT OF <br /> NATURAL <br /> DATE: February 13, 1996 RESOURCES <br /> Roy Romer <br /> TO: Bill Goodhard Governor <br /> James S.FROM: Allen Sorenson 5 Executive Dirtect headr <br /> ' Michael B.Long <br /> RE: Mitigation Work Plans for Sunnyside Settlement Division Director <br /> It is the understanding of the Division of Minerals and Geology (DMG) that <br /> the settlement agreement between Sunnyside Gold Corporation (SGC) and the <br /> Water Quality Control Division (WQCD) will include provisions that DMG <br /> will inspect pre-Mined Land Reclamation Act mining disturbance mitigation <br /> projects to be completed by SGC under the settlement agreement, with the <br /> purpose of these inspections being to make a determination as to whether <br /> or not the mitigation completed meets the requirements of selected <br /> performance standards of the Hard Rock/Metal Mining Rules and Regulations <br /> of the Mined Land Reclamation Board. In order for DMG to make such a <br /> determination, a basic up-front understanding of the mitigation project <br /> work plans is necessary. DMG has reviewed the work plans that you <br /> provided on February 12, 1996, and makes the following findings and <br /> requests for additional information: <br /> 1. A final inspection of the Sunnyside Mine Pool Mitigation project is <br /> not necessary for obvious reasons. A determination of the <br /> effectiveness of this project could be made based on reports <br /> detailing the amount and timing of alkaline solution added to the <br /> mine pool correlated with the rate of rise of the mine pool, and, <br /> possibly based on mine pool samples taken from the 1 inch pipes <br /> through the American and Terry Tunnel bulkheads. Inspections of the <br /> alkaline solution injection system could be completed by DMG during <br /> preparation and operation of the system. Also, an inspection to <br /> assess the dismantling, removal, and clean-up of the solution mixing <br /> and pumping facilities in Sunnyside Basin may be appropriate. <br /> 2 . The Mine Waste Dump work plan, detailing mitigation of mine waste <br /> and tailing near the American Tunnel portal location, provides the <br /> basic information necessary to allow DMG to inspect the site and <br /> make a determination as to whether or not the project has been <br /> completed and meets the requirements of the selected performance <br /> standards. <br /> 3 . The work plan detailing removal of Surface Mill Tailings at Eureka <br /> provides the basic information necessary to allow DMG to inspect the <br /> site and make a determination as to whether or not the project has <br /> been completed and meets the requirements of the selected <br /> performance standards. It is suggested that a determination as to <br />
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