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V ,1 III III III III IIII III <br />~~ ENGINEERING & SURVEYING COMPANY <br />BOX 874 • 443 DODGE • DELTA, COLORADO 81416 • 303-874.7593 <br />7881-91 <br />Subsidence and Slope Stability <br />July 11, 1991 <br />Mined Land Reclamation <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Attention: Matt Hayes <br />Re: Subsidence and Slope <br />Bear Coal Company <br />Bear Mine No. 3 <br />Somerset, Colorado <br />Book 68-4 <br />Stability monitoring: <br /> <br />JUL 1 5 1991 <br />ilAined Land <br />Reclamation Division <br />UTE ENGINEERING AND SURVEYING COMPANY completed a subsidence and <br />slope stability survey during July, 1991 for the Bear Mine #3. <br />Enclosed are our field notes for that survey. We will be reduc- <br />ing the notes into letter form within the next month or so. <br />However, if there is a specific time when you need the calcula- <br />tions, please let us know so we may proceed accordingly. <br />If you have any questions, please call. <br />E. LeRoy Black <br />ELB:ImI D:HD:Bear <br />BRMLR710.91 <br />Enclosure <br />Copy to: Bear Coal Company <br />ATTENTION: Dave Hurr <br />With Enclosure <br />