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Minor Revision 252 -MR252 proposes to add another magnesium chloride tank at the Gossard
<br /> Loadout Facility.The revision was received on August 9, 2023,deemed complete on August
<br /> 18, 2023 and approved on August 24, 2023. +$704.00
<br /> Technical Revision 160-TR160 proposes six small channels and three sediment sumps to manage
<br /> storm water runoff from the Collom Haul Road. Some of the proposed channels will route
<br /> stormwater runoff to existing sediment control structures and others are proposed to be
<br /> routed to existing sumps or newly proposed sumps. The revision was received on September
<br /> 18, 2023 deemed complete on September 28, 2023 and approved on December 12, 2023.
<br /> +$25,577.00
<br /> Technical Revision 161 -TR161 proposes revisions to the Collom Mine Plan by reducing the areas
<br /> to be mine and revises the overall mining timing. TR-161 also proposes a revised post mine
<br /> topography(PMT)for the Collom and South Taylor Pits. The revision was received on
<br /> October 24, 2023,deemed complete on November 3, 2023 and approved on December 14,
<br /> 2023. +$114,512.00
<br /> Minor Revision 253 -MR253 proposes to change the resident agent for Colowyo. The revision was
<br /> received on December 12, 2023, deemed complete on December 14, 2023 and approved on
<br /> December 14, 2023.
<br /> Technical Revision 162-TR162 proposed the GD-3 channel to route surface water runoff from the
<br /> intersection of Haul Road A and the Collom Haul Road to the Gossard Pond. The revision
<br /> was received on February 5,2024, deemed complete on February 13,2024 and approved on
<br /> March 15, 2024. +$6,105.00
<br /> Technical Revision 163 -TR163 provides the as-builts for EP1,EP2,EP3 stock ponds, and the
<br /> Section 15 Pond.The revision was received on February 22,2024, deemed complete on
<br /> February 26, 2024 and approved on March 26,2024.
<br /> Minor Revision 254-MR254 corrected issues with tables numbers for Colowyo's seed mixture and
<br /> contingency seed mixture. It also revised the surface water monitoring plan,by changing the
<br /> correct laboratory methodology for Mercury from total recoverable to total. The revision
<br /> was received on March 21,2024,deemed complete on March 29, 2024 and approved on
<br /> Apri13,2024.
<br /> Minor Revision 255 -MR-255 allowed for the re-brushing of a light use road on the west side of
<br /> Taylor Creek. The revision was received on June 25,2024, deemed complete on July 2,
<br /> 2024 and approved on July 10,2024. +$5,780.00
<br /> Minor Revision 256 -MR-256 provides an updated certificate of liability insurance for Colowyo.
<br /> The revision was received on August 5, 2024,deemed complete on August 6, 2024 and
<br /> approved on August 6,2024.
<br /> Minor Revision 257 -MR-257 documented ground disturbance activities that occurred within
<br /> Colowyo's permit boundary from an adjacent solar construction project.The ground
<br /> disturbance is not associated with Colowyo. The revision was received on August 12,2024,
<br /> deemed complete on August 14, 2024 and approved on August 22, 2024.
<br /> Colowyo Mine Midterm Review No.8
<br /> Permit No.C-1981-019 May 5,2020
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