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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
Asbestos
From Introduction: "This report covers the essential features of the asbestos industry, including occurrence, production, mining, milling, utilization, international trade, and marketing."
Date:
1937
Creator:
Bowles, Oliver
Object Type:
Report
System:
The UNT Digital Library