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~ III IIIIIIIIIIIII III <br />~ ~ ~ tN~. <br />ENGINEERING AND ENVIRONMENTAL DIVISION <br />1475 PINE GROVE ROAD, SUITE 109 <br />P.O. BOX 774019 <br />STEAMBOAT SPRINGS, CO 80477 <br />December 2, 1985 <br />Mr. Randy Price <br />Colorado Mined Land Reclamation Division <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, CO 80203 <br />Re: Analysis of 1985 Monitoring of <br />Bear No. 3 Portal Area <br />Dear Randy: <br />~0;1/8~~6~80 <br /> <br />DEC 191985 <br />MINED LAND RECLAMATIBN <br />Colo. Dept. of Natural Resources <br />The 1985 monitoring results of the Bear No. 3 portal and access road <br />have been received and reviewed. <br />• There was a slight deviation in both the horizontal and vertical <br />directions from the 1984 survey. Deviation in the horizontal <br />direction ranged from 0.2 feet to 0.4 feet and deviation in the <br />vertical direction ranged from 0.1 feet to 0.3 feet. <br />UTE Engineering, who conducts the annual survey, explained in their <br />1985 Report that the slight deviations were due to a more experienced <br />survey crew and utilization of more sophisticated and accurate <br />equipment. It is reasonable to expect a slight difference in <br />readings, since more accurate equipment was used. <br />Since this is only the second year of monitoring, it is not believed <br />that this year's movement represents any significant trend. Because <br />this year's survey was conducted with more accurate survey equipment, <br />next year's survey results will be a better judge of any apparent <br />movement. <br />If there are any questions, please do not hesitate to contact me. <br />Sincerely, <br />ACZ INC. <br />• DJK/wv <br />Dan ~ ~'~~.,. <br />Dan J. Keuscher <br />