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-iii iiiiiiiiuiii iii <br /> <br />WEST ELK MINE <br />C-80-007 <br />35IDENCE REPORT REQUIREMENTS" <br />FOR THE <br />ANNUAL REPORT (APRIL 30TH) <br />1993 ANNIIAL REPORT <br />REPORT REQIIIREMENTB YES NO COMMENTS <br />Description of Surveying X NONE <br />Methods, Techniques and <br />Survey Schedule <br />Elevation Differences (diff. X In many cases the <br />b/w current survey, previous post-mining <br />survey, and the original elevation was <br />topography) between the <br /> elevations taken in <br /> July 1993 and <br /> October 1993, so <br /> the numbers can be <br /> deceiving. <br />Predicted Subsidence vs. X Predicted <br />Actual Data Comparisons subsidence for two <br /> seam mining is <br /> 10.22 feet. <br /> Maximum total <br /> subsidence is 8.42 <br /> feet (Point #41). <br />Topographical Map (to show X Topography was not <br />subsidence monuments for F included on the map <br />and B seam) submitted which <br /> shows the location <br /> of the subsidence <br /> monuments and <br /> mining to date <br />Mine Plan Map (to show mining X The mine plan is <br />to date) shown on a map <br /> which also shows <br /> the location of the <br /> subsidence <br /> monuments <br />Subsidence Results X Provided on a table <br />