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Stark, Jim <br />From: Stark, Jim <br />Sent: 14 December, 2009 12:52 <br />To: Talvitie, Marcia <br />Cc: Brown, Sandy <br />Subject: Oxbow TR-64 Cost Estimate <br />Attachments: OMLLC TR-64 RCE.pdf <br />Marcia, <br />I have completed the reclamation cost estimate for Oxbow Mine's TR-64 - three gob vent boreholes (attached). The <br />liability for this revision is $49,644. The estimate includes sealing the three boreholes that were removed from TR-63 <br />and reclaiming the associated drill pads and light-use roads. With the TR-63 review I completed an initial review for all <br />20 included boreholes then I completed a revised estimate for the 17 boreholes that remained (I removed the three that <br />TR-64 addresses). The liability amount used in the TR-63 decision was the revised liability amount for the 17 boreholes <br />approved with that revision. That said, the TR-64 liability of $49,644.00 is a new liability for the three gob vent <br />boreholes included with TR-64. Please let me know if you have any questions regarding this estimate. I have placed a <br />copy of the estimate in for scanning so you should receive the original in a few days. <br />James R. Stark <br />Environmental Protection Specialist <br />Colorado Department of Natural Resources <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />303-866-3567 X8145 <br />www.mining.state.co.us