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April 6, 2011 <br />3.0 References <br />Agapito Associates, Inc. (2009), "Horse Gulch Fill Stability Analysis" submitted to Trapper Mining, Inc., <br />May 29. <br />4 <br />Colorado Division of Minerals and Geology (1980), "Regulations of the Colorado Mined Land <br />Reclamation Board for Coal Mining," revised 9/14/05, Section 4.09.1.