Laserfiche WebLink
August 31, 2004 <br />Bowie No. 1 Mine Subsidence <br />SuNey date August, 2004 <br />SUBSIDENCE MONITORING SURVEY TABULATION <br />PITKIN MESA PIPELINE -STATION PL>t6 <br />ROOF BOLT <br />SURVEY DATE NORTHING FASTING ELEVATION -DOWN+UP <br />l.tte Engineering Survey Data based on f+xed Westmoreland Values <br /> 06-05-95 18006.29 11193.21 7588.44 --- <br /> 10-10-95 18006.29 11193.16 7588.32 -0.12 <br /> 05-02-96 18006.33 11193.20 7588.50 +0.18 <br /> 06-17-96 18006.33 11193.13 7588.47 A.03 <br /> 09-10-96 18006.34 11193.15 7588.41 -0.06 <br /> 06-12-97 18006.36 011193.19 7588.39 -0.02 <br /> 11-11-97 18006.30 11193.19 7588.48 +0.09 <br /> Cragg SUNeying SUNey Data based Otl fired Westmoreland Values <br /> 07-10-98 18006.37 11192.99 7588.69 +0.21 <br /> 11-23-98 18006.34 11192.99 7588.58 -0.11 <br /> 06-17-99 18006.25 11193.06 7588.45 -0.13 <br /> 09-29-99 18006.32 11193.07 7588.45 0.00 <br /> 06-23-00 18006.28 11193.12 7588.44 -0.01 <br /> 12-04-00 18006.28 11193.26 7588.45 +0.01 <br /> 11-20-01 18006.37 11193.18 7588.63 +0.18 <br /> 08-23-02 18006.38 11193.14 7588.72 +0.11 <br />• Maximum 18006.38 11193.26 7588.72 +0.21 <br /> Minimum 18006.25 11192.99 7588.32 -0.13 <br /> Range 0.13 0.27 0.40 <br /> Cragg SuNeying <br /> GPS Survey Data <br /> 11-20-01 18005.09 11195.09 7587.93 - <br /> 08-23-02 18005.10 11195.10 7587.92 - 0.01 <br /> 12-10-02 18005.11 11195.12 7587.95 + 0.03 <br /> 06-20-03 18005.14 11195.09 7587.88 - 0.07 <br /> 12-24-03 18005.10 11195.08 7588.00 + 0.12 <br /> 08-10-04 18005.09 11195.13 7587.96 - 0.04 <br /> Average Value 18005.11 11195.10 7587.94 <br />• <br /> S1-8 <br />