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SUBSIDENCE PROFILE, A-SERIES <br />Sem~Annual Report, January -June 1992 <br />Twentymile Coal Company, Foidel Cheek NGne <br />subsidence ~ <br />0 <br />-~ a--------- --- -- -- -- ----------------- ------------ ------ <br />-2 --- ------------------- - -~--------------- <br />A7 ~ <br />..4 -------- ---------------~-----------_. ------------------------r----------------- <br />A2 ~ I <br />6LLar~gwall <br />-5 <br />0 1 2 <br />Profile Distaroe ~~and <br />