2001-12-11_PERMIT FILE - C1981019A

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STOKER LOADING FACILITY Technical Revision Vegetation The vegetation of the affected area is a sagebrush community. For additional information on this vegetation type refer to Section 2.04.10 Vegetation Information of the Colowyo Permit Application. Soils The soils of the affected area consist of Yamac Loam and Pinelli Loam. For additional details refer to Section 2.04.9 Soil Resource Information of the Colowyo Permit Application. Cultural Resources There are no known cultural ar historical resources in the affected area. For additional details refer to Section 2.04.4 Cultural and Historical Resource Information of the Colowyo Permit Application. Hydrology Information contained in Section 2.06.8 of the Colowyo Permit Application, Surface Coal Mining and Reclamation Operations on Areas or Ad'acent to Areas Includin Alluvial Valle Floors and the Regional ~drology Map Map ZO indicates that construction and reclamation of the stoker loading facility will not occur directly within the identified Wilson Creek AVF. The construction of the stoker loading facility will not increase the potential for degradation of the water quality in any of the Wilson Creek AVF materials which is considered insignificant as discussed on page 20 of the Colowyo "Proposed Decision and Findings of Compliance" document for Colowyo. During construction, the buffer zone for Wilson Creek will remain undisturbed for all areas that are presently undisturbed. Some construction will be necessary in the vicinity of the existing rail crossing of Wilson Creek but will occur completely within the existing right-of-way. Incidental Boundary Change Approximately 6.96 acres will be added to the existing Colowyo Permit Area of 5,544.19 acres for a new total of 5,551.15 acres. The additional area is located within the SE 1/4 of the SE 1/4 of Section 15, Township 4N, Range 93W of the 6th P.M., as shown on the Revised Map 21, Existing Structures-North.