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January 19,2023 C-1981-019/Colowyo Coal Mine ZTT <br /> The highwall miner was operating during the time of the inspection. The highwall miner was mining westerly <br /> within the Little Collom Gulch. <br /> No mining activities were occuring in the South Taylor Pit and main Collom Pit area.The South Taylor Pit was <br /> inspected from the rock crusher pad located within the pit.The pit was inactive outside of snow removal <br /> operations. The Collom Pit continues expansion to lower seams by truck and shovel operations. Interburden has <br /> been removed and placed at the Collom Spoil Pile.No activity in the main pit area was occurring during the <br /> inspection. <br /> a <br /> Highwall mining within Little Collom Gulch. Shovel within Collom Pit. <br /> ROADS—Rule 4.03 <br /> Construction 4.03.1(3)/4.03.2(3),Drainage 4.03.1(4)/4.03.2(4), Surfacing and Maintenance4.03.1(5)and <br /> (6)/4.03.2(5)and(6),Reclamation 4.03.1(7)/4.03.2(7): <br /> Primary operations on site were snow removal from main haul and operation routes. Snow removal operations <br /> were occurring throughout most of the in-pit haul roads. <br /> SUPPORT FACILITIES -Rule 4.04: <br /> Number of Partial Inspection this Fiscal Year. 5 <br /> Number of Complete Inspections this Fiscal Year. 2 <br /> Page 4 of 5 <br />