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5
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
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 and cities; bodies of water, including the Great Lakes; 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:
1926
Creator:
Canada. National Development Bureau.
Object Type:
Map
System:
The Portal to Texas History
[Letter from Isaac H. Kempner to Samuel Bronfman, December 1, 1955]
Letter from Isaac H. Kempner to Samuel Bronfman discussing an article in the New York Herald about the latter's company that reminded him of their friendship and how infrequently they see each other.
Date:
December 1, 1955
Creator:
Kempner, Isaac H. (Isaac Herbert), 1873-1967
Object Type:
Letter
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
The Bowie-Gavin Process: Its Application to the Cracking of Tars and Heavy Oils, Also to the Recovery of Oil from Oil-Soaked Sands or Shales, or from Oil Shales
Technical paper issued by the Bureau of Mines over the Bowie-Gavin process. As stated in the introduction, "this paper describes a process and an apparatus designed to recover oil from such deposits" (p. 1). The results of experiments conducted using this process are discussed. This paper includes tables, illustrations, and photographs.
Date:
1926
Creator:
Bowie, C. P.
Object Type:
Report
System:
The UNT Digital Library