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D -10.2 FT <br />J -9.8 FT <br />-0.5 FT <br />-0.2 FT <br />Line B was undermined during the period and line D was adjacent to 3 East panel. <br />These positions accounts for the subsidence. <br />The survey results for the highway points which are marked on the map as H1, <br />H2, H3 is listed below. <br />ELEVATION OF SURVEY ON <br />STA. NORTH EAST <br />H 1 406622.16 1401994.95 <br />H2 406512.67 1401893.11 <br />H3 406409.24 1401787.15 <br />2FEB94 17SEP94 28NOV94 <br />6138.08 6138.16 6138.19 <br />6139.06 6139.14 6139.17 <br />6138.28 6138.38 6138.31 <br />As shown above, the highway points which are immediately above main entry <br />development in North Mains have not changed in elevation within the significant <br />criteria. <br />No substantial cracks appeared affecting landowner or land usage. <br />