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United States: IV. Central [from Mississippi River to Rocky Mountains]

Map shows cities, counties, and railroads for states along and east of the Rocky Mountains and west of the Mississippi River. Includes "Index to the sectional maps of the United States" on verso. Relief shown by hachures and spot heights. Scale [1:4,870,000].
Date: [1902..1922]
Creator: London Geographical Institute
Object Type: Map
System: The Portal to Texas History
Oil Burner (open access)

Oil Burner

Patent for an improvement on Oil Burners.
Date: April 9, 1902
Creator: Robertson, George
Object Type: Patent
System: The Portal to Texas History