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1.0 INTRODUCTION <br />This sedimentology evaluation has been prepared as part of an application for Phase <br />II bond release for eligible reclaimed areas at the Oxbow Mining, LLC (Oxbow) <br />Elk Creek Mine, Colorado Division of Reclamation, Mining, and Safety (CDRMS) <br />permit C-1981-022. The reclaimed areas included in this evaluation comprise <br />former drill pads and wells, roads, and ancillary surface disturbances that have been <br />backfilled and graded, topsoiled, and revegetated. These areas comprise + 56 acres <br />within the mine permit boundary and were reclaimed between 2015 and 2017. <br />Documented within is information relative to the erosion and sedimentation <br />condition of these reclaimed areas and the native vegetation community adjacent to <br />the reclaimed areas. Quantitative sampling of reclaimed and extended reference <br />area vegetation for this Phase II bond release application was performed in June <br />2020, in compliance with Colorado Mined Land Reclamation Board for Coal <br />Mining Rules and is appended as a separate report to this bond release application. <br />Sedimentation and erosion analysis was conducted by Michael Savage of Savage <br />and Savage, Inc. <br />............................................................................. <br />............................................................................. <br />Oxbow Mining, LLC Elk Creek Mine Page 1 <br />Phase 11 Bond Release Sedimentology Evaluation 2020 <br />