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Sectional map indicating main automobile roads between Canada and United States (middle west sheet).

Map of roadways in the Midwestern United States and southern portions of the Saskatchewan, Manitoba, and Ontario provinces of Canada. The map includes major towns, bodies of water, and boundaries. The map also includes an inset map of the four Canadian road map sheets in this series near the upper-right corner. Scale [ca. 1:2,217,600] (35 miles to the inch).
Date: 1931
Creator: Canada. National Development Bureau.
Object Type: Map
System: The Portal to Texas History

[Photograph 2012.201.b1406.0072]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "White, James Spalding (Mrs) Harriet Colcord Jumior League."
Date: 1931
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History
Safety Cars of the United States Bureau of Mines (open access)

Safety Cars of the United States Bureau of Mines

Report issued by the U.S. Bureau of Mines discussing the mine stations and safety cars used to reach miners in distress. As stated in the report, "the purpose, equipment, personnel, and construction of its safety cars" is presented. This report includes an illustration, and a map.
Date: March 1931
Creator: Forbes, J. J. & Ankeny, M. J.
Object Type: Report
System: The UNT Digital Library