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F~LEY <br />ASSOCIATES, INC. <br />ENGINEERING ~ PLANNING ~ SURVEYING <br />P.O. Box ]385 <br />125 West Pacific, Suite B-1 <br />Telluride, Colorado <br />81435 <br />970-728-6153 <br />Fax 970-728-6050 <br />------- <br />III IIIIIIIIIIIIIIII <br />Scott Smith <br />Pathfinder Development <br />P. O. Box 797 <br />Telluride, CO 81435 <br />August 31, 2000 <br />Re: Monitoring of Public Service Company pipeline <br />Dear Scott, <br />We have been making sets of measurements to <br />document the location of the pipeline on your <br />property. Each time, we make a set of measurements <br />from the same exact survey control points to the same <br />exact points on the pipeline. Throughout the <br />monitoring process, we have found the pipeline to be <br />in substantially the same position, exhibiting no <br />movement. <br />We are using a Topcon Total Station Land <br />Surveying instrument, shooting to a reflector prism <br />mounted on a range pole. Our measurements are shown <br />in the attached chart. This chart shows the variation <br />in horizontal position (by coordinate) and in <br />vertical position (by elevation). The variations run <br />from 0.00 feet to 0.08 feet (about 1 inch), which is <br />the expected variation in accuracy due to the <br />equipment and procedures being used. <br />Sincerely, <br />~~~~ <br />J. David P'oley <br />\~ ~ ~~ t~ t n 0 n u f i i q~~ iii <br />~~~~~o~~~oDvio°FO/sl^y <br />~,a ~.' . <br />~~ ~' ^°i <br />SJ~~!~~u° 4, <br />%. Q~ ,, <br />~~~''o~H?C. LANG 5~~~~\\ <br />