Sketch I, showing the progress of the survey in section no. IX from 1848 to 1857.
Description:
Map shows towns along the Gulf of Mexico coastline in Texas used for triangulation. Inset: Sketch Rio Grande and vicinity 1853 & 56. Includes text, "Notes." Scale [1:600,000] and [1:400,000].
Date:
1857
Creator:
United States Coast Survey
Item Type:
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Map
Partner:
University of Texas at Arlington Library