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J. E. STOVER & ASSOCIATES, INC. <br /> 2352 NORTH 7TH STREET, UNIT B <br /> GRAND JUNCTION, COLORADO 81501 <br /> PHONE: (970) 245-4101, FAX 242-7908 <br /> <br />MINE ENGINEERING CIVIL ENGINEERING <br />MINE RECLAMATION CONST. MANAGEMENT <br /> <br /> <br /> <br />March 11, 2019 <br /> <br /> <br />Zach Trujillo <br />Division of Reclamation, Mining and Safety <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br /> <br />Re: C.B. Minerals Company, LLC, Coal Ridge No. 1 Mine <br /> TR-22 Revise Permit Boundary and Ownership <br /> Adequacy Response #2 <br />Permit No. C-1984-065 <br /> <br />Dear Mr. Trujillo: <br /> <br />DMRS’ letter dated March 8, 2019, transmitted its adequacy review #2 for the referenced <br />technical revision. DRMS is concerned whether all affected area lies within the revised permit <br />boundary. <br /> <br />The DRMS system indicates the affected area is 2484.3 acres. The 2484.3 acres equals the size <br />of the currently approved permit boundary (ref page 2-1). The annual reclamation report <br />shows a disturbed area of 45.2 acres. Of that amount 2.4 acres are permanent. <br /> <br />The rock tunnels affect at total of 0.34 acres (2 tunnels 500’ long 15’ wide). Only about 0.23 <br />acres would be considered affected since some of the runnels lie under the disturbed area. <br /> <br />Please call with any questions. <br /> <br />Sincerely, <br /> <br />J. E. Stover <br /> <br />J. E. Stover, P.E. <br />Consulting Engineer <br />