Geologic investigation of roof and floor strata : Longwall demonstration, Old Ben Mine no. 24 : final technical report, no. 1
Bauer, Robert A.; DeMaris, Philip J.
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https://hdl.handle.net/2142/45056
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Title Geologic investigation of roof and floor strata : Longwall demonstration, Old Ben Mine no. 24 : final technical report, no. 1 Author(s) Bauer, Robert A. DeMaris, Philip J. Issue Date 1982 Keyword(s) Coal mines and mining. Coal balls. Mine roofs (Stability) Publisher Champaign, IL : Illinois State Geological Survey Series/Report Name or Number Contract/grant report 1982-02 DOE/ET/12177-1 Type of Resource text Language eng Permalink http://hdl.handle.net/2142/45056 Has Version(s) http://hdl.handle.net/10111/UIUCOCA:geologicinvestig19822baue http://www.archive.org/details/geologicinvestig19822baue Copyright and License Information In copyright. Digitized with permission of the University of Illinois Board of Trustees. Contact digicc@library.illinois.edu for information. Copyright 1982 Board of Trustees University of Illinois.
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