The advance of the Gunboats up the river to New Berne, N. Carolina. Passing the Barricade
Civil War and Reconstruction (1850-1877)
A National Archives Foundation educational resource using primary sources from the National Archives

View the full document here: https://docsteach.org/document/map-survey-transcontinental-railroad/
This primary source comes from the Records of the Office of the Chief of Engineers.
Full Citation: Map of the Railroad Survey from Omaha, Nebraska, to San Francisco, California; 6/30/1867; New Mexico, Utah, California, Oregon, and Washington; Civil Works Map File, 1818 – 1947; Records of the Office of the Chief of Engineers, Record Group 77; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/document/map-survey-transcontinental-railroad/, December 16, 2025]
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