Revision of the Pocket Gophers of the Genus Thomomys (open access)

Revision of the Pocket Gophers of the Genus Thomomys

Describes habits, predators, morphology, sexual variation, pelages, and distribution of pocket gophers. Describes genera and group relations. Describes, lists locations and distribution, and provides a key for species and subspecies.
Date: November 15, 1915
Creator: Bailey, Vernon
System: The UNT Digital Library
Preliminary Report on the Problem of the Atmosphere in Relation to Aeronautics (open access)

Preliminary Report on the Problem of the Atmosphere in Relation to Aeronautics

A report to the Weather Bureau, Washington DC, from the chairman of the Subcommittee on the Atmosphere in Relation to Aeronautics describing the activities accomplished and the proposal of work to be undertaken by the subcommittee.
Date: November 9, 1915
Creator: Marvin, Charles F.
System: The UNT Digital Library
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