Panel system of coal mining : a graphical study of percentage of extraction

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https://hdl.handle.net/2142/4202

Title: Panel system of coal mining : a graphical study of percentage of extraction
Author(s): Young, Clinton Mason
Issue Date: 1918
Keyword(s): Coal mines and mining.
Publisher: University of Illinois at Urbana Champaign, College of Engineering. Engineering Experiment Station.
Series/Report Name or Number: University of Illinois. Engineering Experiment Station. Bulletin ; no. 113
Type of Resource: text
Language: eng
Permalink: http://hdl.handle.net/2142/4202
Has Version(s): http://hdl.handle.net/10111/UIUC:Archive/engineeringexperv00000i00113
Copyright and License Information: Copyright 1918 Board of Trustees University of Illinois.