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~~~ ~~ ENGINEERING & SURVEYING COMPANY <br />BOX 874 • 443 DODGE • DELTA, COLORADO 81418 • 303.874.7593 <br />7881-89 <br />Subsidence and Slope Stability <br />n <br />U <br />December 11, 1989 <br />Mined Land Reclamation <br />215 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Attention: Matthew S. Reyes <br />Re: Subsidence and Slope Stability monitoring: <br />Bear Coel Company <br />Bear Mine No. 3 <br />Somerset, Colorado <br />MINED LAND <br />RECLAMATION DIVISfC~rJ <br />UTE ENGINEERING AND SURVEYING COMPANY completed two (2) sub- <br />sidence and slope stability surveys during July, 1989 and Novem- <br />ber, 1989 for the Bear Mine i3. <br />These surveys are based on 2 control monuments <br />canyon on the property of the Somerset Mining <br />Raiser Coal Company), that have been in place <br />The monuments are referred to as D-11-U and D <br />location. The monuments are 3-inch pipe with <br />the elevation will be fixed for each reeding. <br />the monuments are: <br />~~~~ ~ ~~~ <br />DEC 141989 <br />located across the <br />Company (formerly <br />for several years. <br />-12-U. See Map for <br />a 4-inch plate so <br />The coordinates of <br />Northing Easting Elevation <br />D-11-U 405,065.78 1,440,549.57 6185.92 <br />D-12-U 405,418.32 1,441,625.51 6195.50 <br />These coordinates and elevations will remain fixed and all other <br />points will be relative to them. <br /> <br />