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Last edited by WorkBot
January 30, 2010 | History

Undercut Block-Caving Method of Mining in Western Copper Mines 1 edition

Undercut Block-Caving Method of Mining in Western Copper Mines
United States. Bureau of Mines ...

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Undercut Block-Caving Method of Mining in Western Copper Mines.

Published 1930 by s.n in S.l .
Written in English.

Edition Notes

1

Series
Information circular (United States. Bureau of Mines) -- 6350

ID Numbers

Open Library
OL21737442M

History Created December 9, 2009 · 2 revisions Download catalog record: RDF / JSON

January 30, 2010 Edited by WorkBot add more information to works
December 9, 2009 Created by WorkBot add works page