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Dec 31, 1957
Earth Sciences Report
… … Industrial minerals form an integral part of an expanding industrial economy, and an adequate … Data on the more important minerals have been reviewed a …
Jul 28, 2010
Data
… application was created by the Minerals and Coal Geoscience … as Open File Report OFR 91-17. Industrial minerals from that data … Digital Data 2003-0014 … Alberta industrial mineral deposits and …