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are mined. The seams are the A, B, C, D, E, F and G seams and their seam complexes (for <br /> example,the G-Seam is separated into G7, G8 and G9 in the South Taylor Area). At the peak of <br /> operations,the South Taylor Pit will be nearly 4,000 feet wide, 6,000 feet long, and 550 feet <br /> deep. Pit progression is from east to west. Projected life of the South Taylor Pit is estimated to <br /> be until 2023 as per Map 23 of the pending Colowyo Renewal No. 8 application, not including <br /> potential highwall mining, which could prolong this schedule. Reclamation in the South Taylor <br /> Pit is expected to conclude in 2029. <br /> In 2017, construction began for the Collom Pit expansion approved with PR-04. Current <br /> activities are limited to activities outlined in Exhibit 13C —Collom Cumulative Bond Schedule <br /> of the PAP. <br /> Permit,Performance Bond, and Bond Release History <br /> The permanent program mining permit was issued on November 4, 1982. Seven successive <br /> permit renewals have been approved subsequent to the initial permanent program permit <br /> approval; the most recent, Permit Renewal No. 7,was issued August 14, 2018, for a permit term <br /> that will expire November 5, 2022. The Division currently holds a reclamation bond, in the form <br /> of a corporate surety, in the amount of$130,000,000.00. <br /> Colowyo has applied for twenty previous bond releases: <br /> Previous Bond Release Summary <br /> Bond Release Phase Submittal Approval Date <br /> Date <br /> SL-01 I and II 7/2/1987 10/8/1987 <br /> SL-02 I 9/25/1997 4/27/1998 <br /> SL-03 11 9/26/2000 8/15/2001 <br /> SL-04 I and 11 6/1/2001 7/25/2001 <br /> SL-05 111 6/28/2010 7/25/2012 <br /> SL-06 1 4/26/2012 4/9/2013 <br /> SL-07 1 4/2/2013 8/29/2013 <br /> SL-08 1 5/20/2015 1/7/2016 <br /> SL-09 1 2/29/2016 9/28/2016 <br /> SL-10 111 7/18/2016 1/12/2017 <br /> SL-11 1 3/10/2017 11/13/2017 <br /> SL-12 11 and 111 3/10/2017 12/7/2017 <br /> SL-13 1 4/12/2018 8/30/18 <br /> SL-14 11 and 111 5/24/18 11/24/18 <br /> SL-15 1, 11, and 111 2/8/19 9/10/19 <br /> SL-16 1, 11, and 111 6/26/19 11/26/19 <br /> SL-17 1, 11, and 111 9/26/19 1/25/20 <br /> Proposed Decision and Findings of Compliance June 24,2022 <br /> Partial Phase I Bond Release SL-21 Page 3 <br />