Tests on clay materials available in Illinois coal mines.
Stull, Ray Thomas; Hursh, Ralph Kent
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https://hdl.handle.net/2142/43225
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Title Tests on clay materials available in Illinois coal mines. Author(s) Stull, Ray Thomas Hursh, Ralph Kent Contributor(s) Illinois State Geological Survey University of Illinois at Urbana-Champaign. Engineering Experiment Station United States Bureau of Mines Issue Date 1917 Keyword(s) Clay Coal mines and mining Geographic Coverage Illinois. Publisher Urbana, Illinois State Geological Survey, University of Illinois, Series/Report Name or Number Coal Mining Investigations Bulletin no. 18 Type of Resource text Language eng Permalink http://hdl.handle.net/2142/43225 Has Version(s) http://hdl.handle.net/10111/UIUCOCA:testsonclaymater18stul http://www.archive.org/details/testsonclaymater18stul Copyright and License Information Copyright 1917 Board of Trustees University of Illinois.
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