University of Texas at Arlington Library - 2 Matching Results

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Explorations and surveys for a rail road route from the Mississippi River to the Pacific Ocean, War Department : Routes near the 47th and 49th parallels ; profiles from explorations and surveys made under the direction of the Hon. Jefferson Davis, Secretary of War.

Description: Map shows altitude, grade, and distances of potential railroad route across Washington Territory [modern-day Idaho, Montana, and Washington]; military posts and camps, river crossings, and mountain passes. Relief shown by profile and spot heights. Scale [1:1,200,000].
Date: 1855
Creator: Stevens, Isaac Ingalls, 1818-1862

[Map of the United States showing locks and railroads with proposed improvements to the Welland Canal]

Description: Map shows major existing and proposed railroad and canal routes; major cities, state and territorial boundaries; "Missouri or North West Territory," Washington, Oregon, Utah, New Mexico, and Minnesota territories. Includes table of "Dimensions of Locks," notes, state populations, and distances between points; note specifically discusses the widening of the Welland Canal. Small hand logo or symbol near center of map points to Chicago. Relief shown by hachures. Scale not given.
Date: [1855..1875]
Creator: Maillefert & Raasloff