2024-08-28_PERMIT FILE - C1981019A (2)

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RULE 4 PERFORMANCE STANDARDS Rule 4 Performance Standards 4-34 Revision Date: 8/12/24 Revision No.: MR-257 areas including reclamation units EP056 and EP060 (please see annual reclamation report maps for the location of these reclamation units). For the approximate alignment for this access road please see Map 22A. Since these ground disturbing activities are not related to Colowyo’s mining activities, the roads will not be permitted and bonded for in accordance with Rule 3.02.1(2). In July of 2020, a wild land fire (named the Streeter Fire) started burning within Colowyo’s permit boundary (outside of the disturbance boundary) north of the lower segment of the Streeter Ditch and Streeter Pond. The fire continued to burn north outside of Colowyo’s permit boundary. The area that was burned within the permit boundary is mostly comprised of pinyon junipers and sagebrush. Because the fire was not related to Colowyo’s mining activities, Colowyo, as the mine operator is not responsible for starting the fire nor managing the areas burned post fire. The surface landowners impacted by the fire will manage the post-fire area, as they deem appropriate. In 2021, White River Electric Association upgraded their existing power line within the permit boundary and added to this existing line along Moffat County Road 51 to service customers in the area of Wilson Creek. All ground disturbing activities associated with the upgraded power line and the new power line construction is associated with White River Electrical Association and not Colowyo; therefore, it is not permitted for Colowyo nor required to be bonded for in accordance with Rule 3.02.1(2). In 2021, approximately 641 acres within Colowyo’s permit boundary, directly adjacent to the east side of the Collom Pit, was affected by a wild land fire. The location of the wild land fire is shown on Figure 4.12-8. The area that was burned is mostly comprised of sagebrush. Additional surface disturbance within the permit boundary of approximately five acres was created to cut in a fire lines to control and fight the fire. The relatively low intensity nature of the fire does not appear to warrant or require supplemental seeding; however, the areas impacted by the fire lines will be roughened, seeded with the approved reclamation seed mix, and reported in the annual reclamation report. On September 28, 2022, approximately 11 acres within Colowyo’s permit boundary, directly adjacent to the Gossard Loadout was affected by a wild land fire. The location of the wild land fire is shown on Figure 4.12-7. The area that was burned is mostly comprised of sagebrush. The local Bureau of Land Management field office determined the fire was due to a bird striking a power line and the fire was not related to Colowyo’s mining operations. On July 29, 2023, approximately 3.2 acres within Colowyo’s permit boundary, south of the administration building was affected by a wild land fire. The location of the wild land fire is shown on Figure 4.12-4. The area that was burned is mostly comprised of sagebrush and serviceberry. The cause of the fire was determined to a bird striking a power line and the fire was not related to Colowyo’s mining operations. On July 24, 2024, Colowyo was notified of ground disturbing activities that occurred within Colowyo’s permit boundary west of State Highway 13 along Colowyo’s raw water pipeline that were not associated with the Colowyo Mine. A solar array project is being constructed directly adjacent to a portion of Colowyo’s permit boundary. The contractor managing the project left the solar project boundary installing a fiber optic line and entered in and created ground disturbance within Colowyo’s permit boundary and a minimal area of reclamation without Colowyo being aware these activities were occurring. Once Colowyo was notified of these activities, Colowyo