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L <br /> Divi-ion of Ri-c, rirn...Aii031 <br /> Date: 16 September 2019 <br /> Recipient: Tom Medlin OSM, Miranda Kawcak Peabody Coal <br /> Re: DRMS'aerial vegetation survey re Bromus tectorum <br /> Dear Colleagues: <br /> Leigh Simmons accompanied me on an inspection of the Williams Fork Site on 27 August 2019. The purpose <br /> of our inspection was to quantify, areas of concern for Bromus tectorum, commonly known as cheat grass or <br /> downy broom, in relation with a Phase II bond release request by Moffat County Mining. Bromus Tectorum <br /> is a C listed,cool weather grass,on the State of Colorado Department of Agriculture weed management plan. <br /> Total acreage of the bond release request comprises 273 acres, of which 219 acres make up the Utah Tract <br /> and 56.5 acres are located in the Strip Pit. <br /> For bond release to be denied, the threshold for weeds and undesirable species according to The Guidelines <br /> would be 10% of the area. The area requested for bond release comprises 273 acres. The areas of concern <br /> comprise approximately 3.5 acres. Well under the 27.3 acre threshold. <br /> References: <br /> 1 Regulations of the Colorado Mined Land Reclamation Board for Coal Mining Colorado Mined Land <br /> Reclamation Board,August 1980 <br /> 2 Guideline Re ag rding Selected Coal Mine Bon Release Issues: Colorado Division of Minerals and Geology, <br /> August 1998 <br /> 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br /> Jared S. Polis, Governor Dan Gibbs, Executive Director Virginia Brannon, Director * . <br />