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<br /> <br />L~ <br />E~ibit hoc <br />Subsidence Eraluabon and 2004 Geologic Hazard Field Observations <br />West Flatiron Lease Area <br />E <br />C02 c~ <br />1 <br />~~ <br />~ ~ <br />~~ <br />~ ~ -ll <br />~~ <br />~, ~ -~ <br />b <br />~ -~ <br />~ -4 <br />~ -~ <br />~~ <br />Figure 7. Graph showing ma>amum tilt (Mm) and hor¢oMal strain (E„J versus the mining panel width to <br />depth ratio (V1f/~. Tilt (circles) and hor¢oMal strain (squares) for the West E& Mine subsidence <br />monitoring network are shown with the average National Caal Board (7975) longwall carves. <br />831-032.650 Wright Water Fsgineers, Ina Page 72 <br />November 2004 <br />~e~ ~e4 €~z6 .~ ~ n~ I o~ I.4 I a~, <br />„/~ i <br />