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and 2.08.5(3)(b)];the Colorado Historical Society [Rule 2.07.4(2)(c)]; the surface and <br /> mineral owners of record of the affected land(Bureau of Land Management and the State <br /> Board of Land Commissioners);and to the Moffat and Rio Blanco County Commissioners <br /> [Rule 2.08.5(3)(b)]. <br /> The proposed Decision will be issued and considered final if the following are met: <br /> • No objections are made within 30 days(public comment period) of the first <br /> publication [Rule 2.07.4(3)(a)] <br /> • No issues are identified during the final AVS check <br /> 3.2 Description ofthe Environment <br /> 3.2.1 Maps <br /> United States Geological Survey (USGS)Topographic Map 7.5 Minute Quadrangles, Axial and <br /> Ninemile Gap, Colorado, cover the area of the permit. <br /> 3.2.2 General, Disturbed and Affected Area <br /> The Mine is located approximately 28 miles southwest of Craig, Colorado, near State Highway <br /> 13. The majority of the permit area and current operations (including the mine pits, the <br /> administrative office, shops, warehouses, general offices and a rail loadout facility) are located in <br /> Moffat County. Approximately 1,000 acres of the South Taylor Pit, approved in PR-02, is located <br /> in Rio Blanco County. All of the coal currently mined in the South Taylor Pit is in Rio Blanco <br /> County. With the approval of PR-04, Colowyo has begun mining operations within the Collom Pit. <br /> Colowyo owns approximately 83 percent of the surface acreage of the current permit area. An <br /> additional 13 percent(approximate) is Federal land managed by the BLM, and the remaining four <br /> percent is State of Colorado land. The mine operation consists of several pits operating within <br /> 26,130.74 permitted acres. <br /> 3.2.3 Coal Resources to be Mined <br /> Eight major coal seams were mined in the East Pit, West Pit and Section 16 Pit at the Mine. These <br /> are the "Y", "X," "A", "B", "C", "D", "E" and "F" seams. The seams vary in thickness from 2.5 <br /> feet to 15 feet, and overburden thickness varies as a function of structural geology and topography. <br /> In the South Taylor mining area, 17 seam and sub-seam complexes are mined. The seams are the <br /> "A", "B", "C", "D", "E", "F" and"G" seams and their seam complexes (for example, the G- Seam is <br /> separated into G7, G8 and G9 in the South Taylor Area). The seams vary in thickness from 1.5 feet <br /> to 17 feet and the overburden and interburden thicknesses vary, on average, from 2 feet to 65 feet. <br /> Figure 2.04.6-313 in the PAP contains a generalized diagram of the seams to be mined as well as <br /> the overburden and interburden. <br /> Seems to be mined in the Collom Pit include the "Y" "Y' "A" "B" "C" "E" "F" and "G". <br /> 14 <br /> Permit Revision No.5(PR-05),G 1981-019 <br />