Geologic map of a portion of South Texas, showing Cretaceous rocks divided into two sequences - lower Cretaceous series and upper Cretaceous series. Shows also Tertiary and Paleozoic rocks. The map also includes county lines, cities and towns, roads, railroads, bodies of water, and areas of elevation. Relief shown by contours and spot heights.
Creator: Taff, J. A.; Leverett, S. & Dumble, Edwin Theodore
Geological survey map of Texas and parts of New Mexico, showing the portions of Texas examined by Steruwitz, Comstock, Cummins, Walker, Taff, and Kennedy (marked in red). The map also includes Indian Territory (present-day Oklahoma), county lines, towns, roads, railroads, and bodies of water.
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