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Angie Pit Adequacy Response Letter Page 3 8. Ir appears that the application maps indicate nvo places where Gurley Ditch crossings will be required. The [trine plan test indicates construction of one crossing. Please revise the appropriate exhibit so the Mine Plan attd Mine Plan Map are consistent Exhibit D, E, F and L have been updated to show that the Gurley Ditch will be crossed twice during the life of the operation. 9. Please indicate the nature of rl:e strattem directly beneath the material to be [Witted. The gravel bed lies directly on a sandstone shelf. This information is now included in Exhibit D and referenced in Exhibit E as a deterrent to ripping before final reclamation. 10. Please indicate if the material will be [Witted with the excavation face mait:taitted at the ftnal grade, or if a vertical excavation face that will require grade reduction at t/:e completion of each phase of [Wining. The pits will be excavated with nearly vertical faces at the point of advance and the side slopes. The side slopes will be reduced as the face advances by filling to a 4h:ly slope using refuse material. The advancing face will be finished to the projected disturbance boundary as a 4h:ly slope. The operator will not encroach upon the disturbance boundary during the final slope reduction activities. 11. TJte Colorado Division of Wildlife indicated that this area is severe winter range attd a winter concetttratiott area for mule deer. Mule deer popttlatiotts itt Colorado are ott the decline in quality and quantity. Therefore, to minimize impacts to tl:e mule deer population in the proposed mining area, the Division recommends that the applicant move [/te Phase 1 access road so it extends directly east from the ercavatiort area, tnittimizing vehictt[ar disturbance to the sour/t of Pltase 1, along tTte crest of Natterita Creek Canyon The application should also include commitments to cntsh material only between April 1 and October 31 of each year and to limit the material hauling hours to the period from one half hour after sunrise to ate half hour before sunset during the winter months from Novetnber 1 to March 31. Operating hours of the pit will be controlled by the Montrose County Special Use Permit. The Operator cannot make the commitments requested regarding limiting material hauling hours. This type of commitment would severely limit the operators ability to supply the first and last loads each production day, and restrict the operators success when and if a large scale gravel requirement becomes available. However, demand for gravel is customarily quite low during the winter months so material hauling will be limited. Additionally, the Operator must crush material during winter months in order to