Some innovations in equipment for scaling high roofs and mine walls /

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Bibliographic Details
Author / Creator:	Brown, Brinton C., author.
Imprint:	[Washington, D.C.] : United States Department of the Interior, Bureau of Mines, 1950.
Description:	1 online resource (11 pages) : illustrations.
Language:	English
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ; 4739 Report of investigations (United States. Bureau of Mines) ; 4739.
Subject:	Coal mines and mining -- Equipment and supplies. Coal mines and mining -- Equipment and supplies.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/11597199

Hidden Bibliographic Details
Other authors / contributors:	Wright, Fred D., author. Ballinger, Homer J., author. United States. Bureau of Mines, issuing body.
Notes:	"October 1950." Includes bibliographical references (pages 9-11). Description based on online resource, PDF version; title from title page (UNT, viewed May 4, 2018).
Other form:	Print version: Brown, Brinton C Some innovations in equipment for scaling high roofs and mine walls
GPO item no.:	0637-A (online)
Govt.docs classification:	I 28.23:4739

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