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Map showing proposed system of levees for the protection of overflowed lands accompanying engineers report of 1912 : East Fork Trinity River, Rockwall, Collin and Dallas counties, Rockwall sheet.
Map shows buildings, structures, roads, and railroads along the watershed of the Trinity River through portions of Dallas, Collin, and Rockwall Counties; existing and proposed levees, flood lines. Includes legend. Relief shown by contours and spot heights. Scale [1:24,000].
Date:
1912
Creator:
Geological Survey (U.S.)
System:
The Portal to Texas History