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• <br />• <br />1.0 INTRODUCTION <br />This sedimentology evaluation has been prepared as part of an application for Phase II <br />bond release for reclaimed areas at the West Elk Mine (Colorado Division of <br />Reclamation, Mining, and Safety (CDRMS) permit C -80 -007). The reclaimed areas <br />included in this evaluation comprise former drill pads and wells, roads and ancillary areas <br />that have been backfilled and graded, topsoiled, and revegetated. Theses areas comprise <br />+ 67.6 acres within the mine permit boundary and were reclaimed between 1996 and <br />2007. Documented within is information relative to the erosion and sedimentation <br />condition of these reclaimed areas, and the native vegetation communities adjacent to the <br />reclaimed areas. Quantitative sampling of reclaimed area vegetation for this Phase II <br />bond release application was performed in June 2011, in compliance with Colorado <br />Mined Land Reclamation Board for Coal Mining Rules and is appended separately to the <br />bond release application. Sedimentation and erosion analysis was conducted by Michael <br />Savage of Savage and Savage, Inc. <br />Mountain Coal Company, LLC West Elk Mine <br />Phase II Bond Release Sedimentology Evaluation 2011 <br />Page 1 <br />