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Survey of Gravities of Domestic Crudes

Description: Report on the comparative gravities of oil extracted from different regions of the United States.
Date: April 1929
Creator: Hopkins, G. R. & Coons, A. B.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Ocher and Ochery Earths

Description: Report about ocher or ochery earth, "a natural mineral pigment composed largely of clay permeated with hydrated iron (ferric oxide)" (p. 2). It includes information about the uses of choer, substitutes, artificial ocher, mining and local deposits, import and export of ocher, and related information.
Date: May 1929
Creator: Santmyers, R. M.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Report of the Twenty-Second National Conference on Weights and Measures, 1929

Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date: June 1929
Creator: United States. National Bureau of Standards.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Report of the Twenty-First National Conference on Weights and Measures, 1928

Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Date: May 1928
Creator: United States. National Bureau of Standards.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Compressibilities of gases

Description: Reproduction of thirteen graphs for computing compressibilities of various gases and for computing the volumes delivered from cylinders containing various gases.
Date: November 21, 1925
Creator: Pickering, Samuel Fisher
Item Type: Report
Partner: UNT Libraries Government Documents Department

A Biological Survey of North Dakota

Description: Summary of physiography and life zones and mammals of North Dakota.
Date: December 1926
Creator: Bailey, Vernon
Item Type: Report
Partner: UNT Libraries Government Documents Department

A Biological Survey of the Pribilof, Alaska

Description: Brief summary of the geographic distribution, habits, and habitats of the birds, mammals, insects, arachnids, and chilopods of the Pribilof Islands.
Date: June 20, 1923
Creator: Preble, Edward A. & McAtee, W. L.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Revision of the American Pikas (Genus Ochotona)

Description: Discusses distribution, habitat, habits, pelage, molt, specimens, history, and nomenclature of pikas. Provides descriptions, locations, and a key for species and subspecies.
Date: August 21, 1924
Creator: Howell, Arthur H.
Item Type: Report
Partner: UNT Libraries Government Documents Department

A Biological Survey of Alabama

Description: Booklet describing the biology of Alabama in two sections: (1) physiography and life zones, and (2) mammals. It also includes an annotated species list of mammals, bibliography, and index starting on page 81.
Date: October 28, 1921
Creator: Howell, Arthur H.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Voles of the Genus Phenacomys

Description: Nests, young, food, habits, and enemies of the voles of the genus Phenacomys.
Date: October 12, 1926
Creator: Howell, A. Brazier
Item Type: Report
Partner: UNT Libraries Government Documents Department

The Legendary "White Metal" and its "Ore"

Description: Report concerning stories about claims of a "white metal" extracted from an "ore" found packed around pieces of iron or steel. It includes information about various tests conducted about the validity of these claims and their findings.
Date: December 1925
Creator: Davis, C. W.
Item Type: Report
Partner: UNT Libraries Government Documents Department

What is Known about the Effect of Smoke on Health

Description: From title page: "For some years the Bureau of Mines, in connection with its investigations relating to efficiency in the combustion of fuels, as been engaged in a study of smoke prevention. Popular support for such work is usually based upon the injurious effects of smoke on the human ssytem, and this paper is published as a contribution to the literature dealing with that subject."
Date: December 7, 1926
Creator: White, William Charles
Item Type: Report
Partner: UNT Libraries Government Documents Department

Recovery of Gold from Black Sand Tailings

Description: Report on the recovery of gold from black sand tailings, based on tests conducted at the U.S. Bureau of Mines' Alaska Station.
Date: October 1920
Creator: Gross, John
Item Type: Report
Partner: UNT Libraries Government Documents Department

Carbon Tetrachloride Extinguisher of Electric Fires

Description: Report discussing "the extent and nature of the hazards to firefighters from gases and smoke resulting from the application of carbon tetrachloride extinguisher to electric arcs, burning insulation or fires such as may occur in electrical apparatus and machinery. The experiments described were made for the purpose of determining the nature of gases and smoke and ascertaining their toxic properties" (p. 1).
Date: July 1923
Creator: Katz, S. H.; Gleim, E. J. & Bloomfield, J. J.
Item Type: Report
Partner: UNT Libraries Government Documents Department

Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus

Description: Report providing information about the most appropriate kinds of breathing apparatus -- gas masks, hose masks, or self-contained oxygen-breathing apparatus -- to use in different situations.
Date: June 1923
Creator: Katz, S. H. & Bourquin, J. J.
Item Type: Report
Partner: UNT Libraries Government Documents Department