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Technical Revision 157-TR157 proposes to reduce Colowyo's reclamation liability. The revision
<br /> was received on December 8, 2022, deemed complete on December 16, 2022 and approved
<br /> on February 14, 2023. - $38,218,109.00
<br /> Minor Revision 245-MR245 revised the mine plan timing for theSouth Taylor Pit, and provides
<br /> documentation of a wildfire that occurred within the mine permit boundary. The revision
<br /> was received on December 14, 2022, deemed complete on December 20, 2022 and approved
<br /> on December 20, 2022.
<br /> Technical Revision 158-TR158 proposes additional sediment control measures for the Final East
<br /> Pit Ditch watershed. The revision was received on December 15, 2022,deemed complete on
<br /> December 23, 2022 and approved on February 21,2023. +$100,910.00
<br /> Technical Revision 159-TR159 proposes access roads in the East Pit reclamation areas to construct
<br /> sediment ponds and manage post mine channels and stock ponds. TR-159 also includes
<br /> disturbance acres for a borrow area directly north of the Section 3 Ponds locations to
<br /> facilitate construction of both ponds this summer, and TR-159 proposes to revised Reach 1
<br /> of the Final East Pit Ditch from a nonerobile channel to a riprap lined channel. The revision
<br /> was received on April 11,2023, deemed complete on April 21, 2023 and approved on May
<br /> 26, 2023. +$26,097.00
<br /> Minor Revision 246-MR246 updates Exhibit 13C with the dragline regrade volumes for the
<br /> Collom Pit, and updates Map 26A with blasting information for a new structure north of the
<br /> permit area. The revision was received on April 21,2023, deemed complete on May 1, 2023
<br /> and approved on May 9,2023. +$251,184.00
<br /> Minor Revision 247-MR247 proposes a topsoil pile in the West Pit reclamation, and updates
<br /> Section 4.12 with ground disturbing activities that are occurring within Colowyo's permit
<br /> boundary that is not associated with Colowyo's mining operations. The revision was
<br /> received on June 13,2023, deemed complete on June 20, 2023 and approved on June 29,
<br /> 2023. +$729.00
<br /> MR248-MR248 proposes a topsoil pile to support advancement of the Collom Pit and proposes
<br /> updates to Exhibit 13C-Cumulative Bond Schedule with topsoil removal and stockpiling
<br /> for continued development of the Collom Pit.The revision was received on June 26, 2023,
<br /> deemed complete on July 6,2023 and approved on July 14,2023. +$283,631.00
<br /> Minor Revision 249 -MR249 provides an updated cultural resource baseline report and proposes
<br /> installation of an emergency propane generator. The revision was received on July 12, 2023,
<br /> deemed complete on July 17,2023 and approved on August 24, 2023. +$13,707.00
<br /> Minor Revision 250-MR250 provides a new certificate of insurance for Colowyo Mine. The
<br /> revision was received on August 1, 2023,deemed complete on August 2,2023 and approved
<br /> on August 2,2023.
<br /> Minor Revision 251 -MR251 provides documentation of a wildland fire that occurred within the
<br /> mine permit boundary that is not associated with Colowyo's mining operation. The revision
<br /> was received on August 7, 2023,deemed complete on August 16, 2023 and approved on
<br /> August 17, 2023.
<br /> Colowyo Mine Midterm Review No.8
<br /> Permit No.C-1981-019 May 5,2020
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