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proposed permit area. Therefore, the application is in compliance with the requirements of <br />this section for the Williams Fork Mines. <br />The Trapper Mine is adjacent to the Williams Fork Mines. The Trapper Mine has <br />completed coal extraction from the Colt Pit, located above the No. 6 Mines underground <br />workings in T6N, R91 W, Section 32. The seams mined were stratigraphically separated <br />by an excess of 1,000 feet. Trapper Mine completed surface mining in the Colt Pit prior to <br />any mining occurring within the No. 6 Mine in areas which could have potentially caused <br />subsidence disruption of the stratigraphic section mined within the surface pit. <br />Backfilling, grading, topsoiling, and seeding of the Colt Pit occurred during the fall of <br />1993. The underground workings of the No. 6 Mine progressed into TSN, R91 W, Section <br />5, during the fall of 1993. <br />10. The Division currently holds a bond of $3,612,679.00 in the form of a Self Bond. The <br />Division estimated the cost of reclamation to be $4,620,949.52 on August 6, 2014. The <br />current amount of bond held is inadequate and MCM will need to submit additional bond <br />to the amount estimated on August 6, 2014. <br />The above bond amount reflects the Division's projection of reclamation costs for worst - <br />case disturbance which could occur during the proposed permit term upon resumption of <br />operations. It also reflects 100 percent bond release from reclamation work completed by <br />the operator in 1990 at the Craig Town Loadout area of the mine. This release was <br />approved by the Division during previous permit terms (2.07.6(2)(j)). <br />11. The Division has made a negative determination for the presence of prime farmland within <br />the permit area. The decision was based on a letter from the Soil Conservation Service <br />dated February 2, 1982. Although soil types 03B and fine sandy loam 0 -56 are found <br />adjacent to the Williams Fork River, this area is not considered prime farmland. <br />Approximately 50 percent of the 03B soil was disturbed prior to the enactment of SMCRA <br />and is considered an industrial site. Therefore, no areas designated as prime farmland are <br />found within the Williams Fork Mines permit area (2.07.6(2)(k)). <br />12. Based on information provided in the application, the Division has determined that three <br />alluvial valley floors exist within the permit or adjacent area. The alluvial valley floors are <br />known as Williams Fork alluvial valley floor, Yampa River /Big Bottom alluvial valley <br />floor, and Yampa River /Round Bottom alluvial valley floor. Development mains for the <br />No. 6 Mine were constructed under the Williams Fork River and its associated alluvial <br />valley floor (2.07.6(2) and 2.06.8(3)(C)). No impacts to the river or the alluvial valley <br />floor were observed after the mains were constructed. No development is currently <br />proposed for the Yampa River /Big Bottom or Yampa River /Round Bottom alluvial valley <br />floors. For additional specific findings concerning these alluvial valley floors, please see <br />Section B.XI. <br />13. The Division hereby approves the post- mining land use of the operation. It was <br />determined that rangeland /wildlife, pastureland, and cropland meet the requirements of <br />Rule 4.16 for the permit area (2.07.6(2)(i)). <br />Williams Fork Mines 17 Permit Renewal 06 <br />C- 1981 -044 December 8, 2014 <br />