Sketch showing the progress of the Survey in section no. IX from 1848 to 1883.
Description:
Map shows towns used in triangulation measurements along the Gulf Coast of Louisiana and Texas from Vermillion Bay to the mouth of the Rio Grande. Scale [ca. 1:600,000].
Date:
1883
Creator:
U.S. Coast and Geodetic Survey
Item Type:
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Map
Partner:
University of Texas at Arlington Library