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2010-11-12_PERMIT FILE - C1981010A (8)
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2010-11-12_PERMIT FILE - C1981010A (8)
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Last modified
8/24/2016 4:26:47 PM
Creation date
11/26/2010 1:46:59 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981010A
IBM Index Class Name
Permit File
Doc Date
11/12/2010
Doc Name
pgs 3-1 to 3-101
Section_Exhibit Name
3.0 Project Plan
Media Type
D
Archive
Yes
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The M12 series of maps in PR-6 depicts the planned Post Mining Topography. The K Pit area appears on <br />Sheet 3. The topography depicted meets the definition of approximate original contour, per Statute 34 -33- <br />103(3) and Regulation 1.04(13). The proposed topography closely resembles the general surface <br />configuration of the land prior to mining, and blends into and complements the drainage pattern of the <br />surrounding terrain. The variance of post mining elevations and pre - mining elevations are consistent with <br />Trapper's prior, and successful, reclamation efforts. Examples of successful reclamation, as evidenced by <br />Phase 3 bond release, where such variance exists can be found in the northwest and north - central portions <br />of D Pit, and the northeast portion of the E Pit boxcut spoil. Phase 2 bond release examples can be found <br />in the east - central and northeast portions of D Pit. As such, the Horse Gulch fill qualifies as excess spoil, <br />as defined by Regulation 1.04(45a). This fill will be left as a permanent reclamation feature, consistent with <br />the planned post mining land use of Rangeland and Wildlife Habitat. <br />The fill will be constructed with overburden, as defined by Regulation 1.04(83). Neither coal mine waste, <br />as defined by Regulation 1.04(22a), nor coal processing waste, as defined by Regulation 1.04(24), will be <br />used in the construction of the fill. Topsoil will be stripped and salvaged prior to construction, and no <br />organic material will be used in its construction. <br />The Horse Gulch area was chosen for excess spoil placement because the area contains neither <br />ephemeral streams, as defined in Regulation 1.04(42), nor intermittent streams, as defined by Regulation <br />1.04(69). This location will allow construction of a head of hollow fill, as defined by Regulation 1.04(56), <br />which will blend with the surrounding topography. Detailed cross sections can be found in PR-6, Appendix <br />T. <br />The hydrologic balance, as defined by Regulation 1.04(61), is protected with this mine plan. There is no <br />discernable change in the quality or quantity of water inflow to our outflow of the Yampa River Basin. <br />As mining of the K Pit progresses, the general plan is to begin prestripping in L Pit. This will assist the <br />dragline operation, and provide for the continued backfill of K Pit. When K Pit is backfilled, spoil material <br />removed via. T/S will be placed in the L pit spoils. <br />The final cut in any given pit may be open for as long as 18 months as the need to remove coal to allow for <br />continuous stripping operations is not a factor. Final cuts are a logical area to carry inventory. <br />3-39a 7R 10 (,, <br />'5tIZI, <br />
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