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Geophysical abstracts : no. 30 / by Frederick W. Lee.

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Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Lee, Frederick W. (Frederick William), 1889-1964
Corporate Author:	United States. Bureau of Mines
Other title:	Geophysical abstracts : no. XXX.
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Commerce, Bureau of Mines, 1931.
Series:	Information circular (United States. Bureau of Mines) ; 6568.
Subjects:	Geophysics > Abstracts > Periodicals. Prospecting > Geophysical methods. Geophysics. Abstracts. Periodicals.

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Call Number:	I 28.27:6551-6571,6573-6575
I 28.27:6551-6571,6573-6575	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Geophysical abstracts : no. 31 / by Frederick W. Lee. Abrasive and industrial diamonds / by Paul M. Tyler. Soapstone / by H. Herbert Hughes. Mining laws of Egypt / by E.P. Youngman. 250 versus 500 volts or more for circuits in gassy coal mines / by L.C. Ilsley. Milling methods at the Concentrator of the Walker Mining Co., Walkermine, Calif. / by... Geophysical abstracts : no. 30 / by Frederick W. Lee. Fuels consumed by the Federal Government during the fiscal year ended June 30, 1930 /... Hazards to underground workers from inflammable surface structures near mine openings... Chromium : general information / by Lewis A. Smith. The importance of discipline in mine safety / by D. Harrington. How to prevent death and injury from falls of roof in coal mines / by J. W. Paul. Milling methods at the Balmat Mill of the St. Joseph Lead Co., Balmat, St. Lawrence C... Medical service, accident reports, compensation, and welfare at iron mines in the Lak... Method and cost of quarrying, curshing, and grinding limestone at the Security Quarry... Geophysical abstracts : no. 34 / by Frederick W. Lee. Pumice and pumicite / by Paul Hatmaker. Mining methods and costs at the Braden Copper Co.'s mines, Sewell, Chile / by J.S. We... Milling methods and costs at the concentrator of the Miami Copper Co., Miami, Ariz. /... Quartz gem stones / by I. Aitkens. Consumption of primary tin in the United States during 1930 / by J.B. Umhau. Geophysical abstracts : no. 29 / by Frederick W. Lee. Milling methods at the Questa concentrator of the Molybdenum Corporation of America,...