Description: Gunite in the Calumet and Hecla mines

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Bibliographic Details
Main Author:	Knox, John.
Contributors:	Potter, Ocha.
Format:	Book
Language:	English
Series:	Bulletin ; no. 132.
Subjects and Genres:	Cement gun. Mining engineering.
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Physical Description:	[8] p. : ill. ; 23 cm.