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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) 86b3567 <br />FAX: (303) 832-8106 <br />March 16, 2004 <br />Mr. Ed Cooley <br />American Soda, LLP <br />2717 County Road 215 <br />Parachute, CO 81635 <br />v <br />RE: American Soda, LLP, Yankee Gulch Minerals Project, Permit No. M-1999-002 <br />Convert Minin>; We1120-12 to a Monitoring Well "'~- <br />Deaz Mr. Cooley, <br />COLORADO <br />DIVISION O F <br />MIN SRALS <br />GEOLOGY <br />0.E CLANATION•NI NING <br />EAFETY•SCIENCE <br />Bill ovens <br />Gavemor <br />Russell George <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />American Soda submitted a letter on February 9, 2004 (dated February 4, 2004) requesting approval to <br />convert mining We1120-12 to a monitoring well. A Time Domain Reflectometry Cable (TDR) will be <br />placed inside the short string tubing to the top of the cement plug. American Soda proposes to monitor <br />the temperature of We1120-12 on a quarterly basis. <br />In addition, American Soda states that bonding for We1120-12 will remain in place during the time the <br />well is used for monitoring purposes until the well is plugged and abandoned. <br />The Division does not believe that a revision to the DMG Permit needs to be filed at this time for <br />converting We1120-12 to a monitoring well. However, if American Soda intends to change the plugging <br />and abandonment plan, then the Division should be notified and a determination will be made if such <br />change requires a revision to the pernrit. <br />If you have any questions, please do not hesitate to contact me at 303-866-4943. <br />Sinc , <br />• ~~ <br />E c rosby <br />Environmental Protection Spe ' ' t <br />cc: ~azl Mount; DMG (via a-mail) <br />.glen Sorenson; DMG (via a-mail) <br />Kent Walter; BLM <br />Paul Daggett; BLM <br />Dan Jackson; EPA <br />Elisabeth Evans; EPA <br />Sandy Stavnes; EPA <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />