Rock bursts in the Lake Superior copper mines, Keweenaw Point, Mich. /

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Bibliographic Details
Author / Creator:Crane, Walter R. (Walter Richard), 1870-
Imprint:Washington, D.C. : For sale by the Superintendent of Documents, 1929.
Description:iii, 43 p. : ill. ; 23 cm.
Series:Bulletin - U.S. Bureau of Mines ; 309
Bulletin (United States. Bureau of Mines) ; 309
Subject:Copper mines and mining -- Michigan -- Upper Peninsula.
Copper mines and mining -- Michigan -- Copper Country.
Rock bursts
Mining engineering -- Michigan -- Upper Peninsula.
Mining engineering -- Michigan -- Copper Country.
Copper mines and mining.
Mining engineering.
Rock bursts.
Michigan -- Upper Peninsula.
Format: Print Book
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Notes:Bibliography: p. 43.


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Call Number: TN23.A19 no.309
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