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Chimney Rock Coal <br />~_ December 7, 1982 <br />Page 2 <br />appears to be an unquantifiable risk as to whether <br />support for the highway can be maintained through <br />structural failure of the high wall as a result of <br />the augering operation. <br />i <br />i <br />We are answering your proposals within the scope of the Colorado <br />Department of Highways' responsibilities for the safety of the <br />travelling public and potential failure of the structural support <br />for the highway itself. <br />Sincerely, <br />A. A. Shablo <br />District Engineer <br />i~ <br />~~ // <br />/ ~: <br />byD. R /Andrew ~"~~~~r/./ic~- <br />District Construction Engineer <br />DRA:js <br />cc: Shablo/button <br />Mike Long i <br />Mine Land Reclamation Board <br />Brandy Gilmore <br />Jeff Hynes <br />Colorado Geological Survey <br />J. F. Springer <br />