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EMD (Panel2 Rightthrough 6 Right)(PR 97-04) <br />The exisfing facilities currently in place at TCC will be used to support mining of coal in the remainder of the <br />EMD. Presently, TCC is not anticipating the need to construct any new surface facilities. Therefore, no response is <br />required for this rule. <br />NMD (Panels 12 right through 16 Right) (PR 99-OS) <br />The existing facilities currently in place at TCC will be used to support mining of coal in the remainder of the <br />NMD. Presently, TCC is not anticipating the need to construct any new surface facilities. Therefore, no response <br />is required for this rule. <br />NW Mains Ventilation Shaft and Thickener Undertlow Project (TR O1-39) <br />Construction of the NW Mains ventilation shafr will result in limited surface disturbance for the shaft pad, and <br />associated access road, and powerline. An AVF and soil survey of potential disturbance areas conducted by Habitat <br />Management, Inc. indicated that the disturbance would fall within the mapped boundaries of the Slocum loam and <br />Binco silty clay loam soil types. Three soil pits were excavated and soil parameters were documented consistent <br />ti~ with the applicable AVF requirements of Rule 2.06.8. Soil survey results are presented in Exhibit 16A, NW Mains <br />Ventilation Shaft -AVF Soil Investigation. The AVF soil survey indicates a distinct soil, vegetation, and <br />topographic boundary between the Fish Creek AVF and the upland portion of the study area. <br />• NMD (Panels 17 right through 21 Right) (PR 03-06) <br />The existing facilities currently in place at TCC will be used to support mining of coal in the remainder of the <br />NMD. Presently, TCC is not anticipating the need to construct any new surface facilities. Therefore, no response <br />is required for this rule. <br />~~ 18 Right Ventilation Shaft (TR 04-44) <br />Construction of the 18 Right ventilation shaft will result in limited surface disturbance for the shaft pad and <br />associated access road. An upland and alluvial valley floor (AVF) soil investigation was conducted along Fish <br />Creek for the RAG Twentymile Coal Company (TCC) in Routt County, Colorado. This investigation was <br />performed to support TCC's proposed construction of two proposed ventilation shaft facilities (the 18-Right Intake <br />Shaft and the future 6 North Mains Ventilation Shaft) and the access roads to these facilities. This soil <br />investigation complies with the AVF requirements contained in Section 2.06.8 of the Regulations of the Colorado <br />Mined Land Reclamation Board for Coal Mining. Soil descriptions were recorded from 12 continuous soil cores <br />located along the proposed road corridors and vent shaft facilities within and adjacent to the previously delineated <br />ao Fish Creek AVF. The soil cores were located in Township 5 North, Range 86 West, Section 11 (Map 1 S, 18 Right ~ G <br />Bleeder shaft) and Section 17 (Map 2S, Future Intake Shaft). The soil investigation was conducted on October 21 ~ <br />and 22, 2003 by Kenneth E. Carlson, a Certified Professional Soil Scientist (#2824) with Habitat Management, Inc. <br />„L~ The detailed report of the investigation is provided in Exhibit 16C, RAG Twentymile Coal Company, Fish Creek <br />Shaft & Access Road Soil Investigation, Routt County, Colorado, dated October 2003. A summary of the report <br />follows. <br />• Soil Core Locations: <br />Twelve continuous soil cores were located and excavated with a Giddings drill rig and with a manna] soil bucket <br />TR 04-44 2.04-50 08/06/04 <br />