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<br /> 3/12 <br />corridor being much narrower near the plant, the “Mining Permit and Affected Area <br />Boundary” is not centered in the buffer area. These two drawings also need to reflect the <br />recent Acreage Reduction (AR-2, which will be final on December 18th) Please confirm <br />the MTAC buffer is intended to be 200 feet in the vicinity of the plant as it is elsewhere. <br />Also, Exhibit C3-1 does not show the MTAC road and belt fence in the straight segment <br />just south of the plant. Does the conveyor configuration and/or road change here? Please <br />revise Maps C2-1 and C3-1 as necessary, including the permit boundary as revised <br />under AR-2. <br /> <br />Response: The maps show the correct MTAC corridor and boundary buffer. <br /> <br />11. Structure owners: Rule 6.4.3(g) requires the structure (e.g., Minnequa Canal, utilities and <br />fences) owner’s name be shown or identified on the Exhibit C maps. Please update the <br />maps accordingly. <br /> <br />Response: The name of all structure owners are provided on Exhibit C maps. <br /> <br />12. KMZ Files: During our November 2nd inspection, the DRMS requested KMZ/KML files <br />for the proposed MTAC and Red Creek Quarry boundaries. We received KMZ files for the <br />plant. <br /> <br />Response: Please contact Holcim for additional KMZ files, as necessary. <br /> <br />6.4.4 Exhibit D- Mining Plan <br /> <br />13. Bear Creek Quarry and Plant Area: No information was provided for the current mine plan <br />related to the Bear Creek Quarry or the Plant Area. Pursuant to Rule 1.10.1(2) the <br />Applicant may avoid the requirement to submit all site-wide mine plan information if it is <br />clearly described in the amendment application where in the original application and <br />supporting documents the information not included in the amendment may be found. <br /> <br />Response: The BCQ and Plant Area mine plan is included by reference in paragraph two <br />of the introduction to Section 2.4. <br /> <br />14. Underlying Strata: Section 2.4.3 indicates Codell sandstone will be mined to a depth of <br />15 feet. The geologic narrative does not discuss any strata below the Codell sandstone. <br />Rule 6.4.4(f)(ii) requires a description of the nature of the stratum immediately beneath <br />the material to be mined in sedimentary deposits. Please describe the stratum below the <br />Codell sandstone. <br /> <br />Response: The Blue Hill Shale Member for the Carlile Formation lies below the Codell <br />Sandstone. This information is included in Section 2.4.2 and is shown in Figure 2.4.2-1. <br /> <br />15. MTAC Layout: Section 2.4.4.1 states the access road will lie east of the conveyor fence. <br />Exhibit C3 maps indicate the access road is on the west side of the conveyor. In <br />addition, Exhibit L lists only five miles of fence. Please address the following: <br />a. Confirm on which side of the conveyor fence the road will be placed. <br /> <br />Response: The road will be placed west of the conveyor fence. Section 2.4.1 is <br />revised. <br /> <br />b. From a wildlife protection perspective, will the fence be on both sides of the <br />conveyor.