Destroy the Common Barberry (open access)

Destroy the Common Barberry

Discusses the importance of eradicating the common barberry bush in order to prevent the spread of the disease black stem rust to wheat, oats, barley, rye, and wild grasses. Farmers are advised to dig up all common barberry bushes; however, Japanese barberry bushes are harmless and can remain, or farmers may even replace common barberry bushes with Japanese barberry bushes.
Date: May 1919
Creator: E. C. (Elvin Charles) Stakman, 1885-1979
Object Type: Pamphlet
System: The UNT Digital Library
Gold Dredging in the United States (open access)

Gold Dredging in the United States

Report discussing the development of gold dredging in the United States, the essential features of present-day dredges, the facts that determine whether a placer deposit can be profitably dredged, and the approved methods of prospecting placer ground and of operating dredges. Intended for designers and builders of dredges, mining engineers, and persons who may contemplate investing capital in placer-mining ventures.
Date: May 1918
Creator: Janin, Charles
Object Type: Report
System: The UNT Digital Library
Aeronautic Power Plant Investigations (open access)

Aeronautic Power Plant Investigations

Report presents the design of radiators, spark plugs and test equipment used to test the performance of aeronautic engines at high altitudes.
Date: May 1917
Creator: Dickinson, H. C.
Object Type: Report
System: The UNT Digital Library