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Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite
Report issued by the Bureau of Mines discussing extraction and recovery of different ores from carnotite. Equipment and methods for extraction are presented. This report includes tables, illustrations, and photographs.
Date:
November 1915
Creator:
Parsons, Charles L.; Moore, R. B.; Lind, S. C. & Schaefer, O. C.
System:
The UNT Digital Library
Rock Quarrying for Cement Manufacture
Report issued by the Bureau of Mines over rock quarries in the United States. As stated in the introduction, "the bulk of the report deals with quarrying methods and equipment, and gives special attention to drilling and blasting; a chapter on rock mining and one on prospecting are included" (p. 1). This report includes tables, illustrations, and photographs.
Date:
June 1918
Creator:
Bowles, Oliver
System:
The UNT Digital Library
Mining and Treatment of Feldspar and Kaolin in the Southern Appalachian Region
From Introduction: "The investigation here reported has to do only with the dikes of the southern Appalachian region, in which abundance of each mineral is as in the order given above."
Date:
1913
Creator:
Watts, A. S.
System:
The UNT Digital Library
The Feldspars of the New England and North Appalachian States
From Introduction: "The investigations presented in this bulletin have been undertaken by the bureau with a view to a better understanding of the conditions which confront the producer of commercial feldspar and also with the object of determining wherein the various deposits of feldspar differ."
Date:
1916
Creator:
Watts, A. S.
System:
The UNT Digital Library
Sandstone Quarrying in the United States
From Preface: "It is the aim of this bulletin to point out in a general way the location of workable sandstone deposits in the United States, and to outline the most efficient and economical methods of quarrying and preparing the rock for structural and other purposes."
Date:
1917
Creator:
Bowles, Oliver
System:
The UNT Digital Library
Refining and Utilization of Georgia Kaolins
From Introduction: "The investigation described in this report was carried on to determine the practicability of applying technical control of clay disperse systems to the refining of kaolins and the utilization of the prepared clay in the manufacture of vitreous china and wall tile."
Date:
1916
Creator:
Sproat, Ira E.
System:
The UNT Digital Library