Economic Methods of Utilizing Western Lignites (open access)

Economic Methods of Utilizing Western Lignites

Report issued by the Bureau of Mines over western lignite. The economic use of these lignite deposits is discussed. This report includes tables, illustrations, and photographs.
Date: November 1915
Creator: Babcock, E. J.
System: The UNT Digital Library
Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite (open access)

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
Contributions to Economic Geology (Short Papers and Preliminary Reports), 1913: Part 2 -- Mineral Fuels (open access)

Contributions to Economic Geology (Short Papers and Preliminary Reports), 1913: Part 2 -- Mineral Fuels

From introduction: This report determines the geographic distribution and thickness of the bituminous shale, or oil shale, or tar shale of the Green River formation of the Uinta Basin in Colorado and Utah.
Date: 1915
Creator: Campbell, Marius R. & White, David
System: The UNT Digital Library