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Iceland spar and optical fluorite / by H. Herbert Hughes.

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Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Hughes, H. Herbert (Harry Herbert), 1905-
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1941.
Edition:	Rev. ed.
Series:	Information circular (United States. Bureau of Mines) ; 6468R.
Subjects:	Iceland spar. Fluorspar.

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Call Number:	6451-6475
6451-6475	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Zirconium. II, Domestic and foreign deposits / by E.P. Youngman. Geophysical abstracts : no. 23 / by Frederick W. Lee. Iceland spar and optical fluorite / by H. Herbert Hughes. Concentrating methods and costs at the Morenci Concentrator of the Phelps Dodge Corpo... Mining methods and costs at the Porcupine United Gold Mines' Rochester Mine at Timmin... Rubies and sapphires / by I. Aitkens. Mining methods and costs of mining copper ore at the Verde Central Mines, Inc., Jerom... Zircon (the gem) / by E.P. Youngman. Hafnium / by P.M. Tyler. Mining laws of Cuba / by I. Aitkens. Quartz and silica. Part I, General summary / by R.M. Santmyers. Geophysical abstracts : no. 22 / by Frederick W. Lee. Suggestions for wiring permissible equipment / by L.C. Ilsley and H.B. Brunot. Revision of the free energy of formation of sulphur dioxide / by E.D. Eastman. Quartz and silica. II, Quartz, quartzite, and sandstone / by R.M. Santmyers. Quartz and silica. III, Sand and miscellaneous silicas / by R.M. Santmyers. Emeralds / by Irene Aitkens. Iceland spar and optical fluorite / by H. Herbert Hughes. Rhenium (and masurium) / by Paul M. Tyler. Methods and costs of mining quicksilver ore at the New Idria Mine, San Benito County,... Zirconium. I, General information / by E.P. Youngman. Progress in metal-mine ventilation in 1930 / by D. Harrington. Milling methods and costs at the Concentrator of the Old Dominion Co., Globe, Ariz. /... Bismuth / by Paul. .M. Tyler. Mining laws of the Netherland East Indies / by E.P. Youngman.