Current developments in rock, rock products, and industrial minerals.
Mineral Industries Conference of Illinois (5th : 1938 : Urbana)
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https://hdl.handle.net/2142/43006
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Title Current developments in rock, rock products, and industrial minerals. Author(s) Mineral Industries Conference of Illinois (5th : 1938 : Urbana) Issue Date 1938 Keyword(s) Date of Ingest 2013-03-29T20:17:27Z Geographic Coverage Illinois Publisher Urbana, Series/Report Name or Number Circular no. 023-D Type of Resource text Genre of Resource Report (Grant or Annual) Language eng Permalink http://hdl.handle.net/2142/43006 Has Version(s) http://hdl.handle.net/10111/UIUCOCA:currentdevelopme23dmin http://www.archive.org/details/currentdevelopme23dmin Copyright and License Information Public domain. Illinois state government document. Copyright 1938 Board of Trustees University of Illinois.
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