United States Coast Survey : Sketch I, showing the progress of the survey in section no. 9 from 1848 to 55.
Description: Map shows Texas coast from the mouth of the Sabine River to northern tip of unlabeled Matagorda Island; Sabine Lake, Galveston Bay, Matagorda Bay, towns used for triangulation, and areas of completed mapping by sheet number and date. Inset: "Mouth of the Rio Grande. Sub-sketch showing the progress of the Survey of Rio Grande and vicinity 1853 & 1854." Includes legend. Scale [ca. 1:600,000] and [ca. 1: 400,000].
Creator: Bache, A. D. (Alexander Dallas), 1806-1867
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