The Cretaceous Area North of the Colorado River

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.
Date: unknown
Creator: Taff, J. A.; Leverett, S. & Dumble, Edwin Theodore
System: The Portal to Texas History

2010 Census County Block Map: Williamson County, Index

Index map for Williamson County, Texas showing the distribution of census blocks and smaller inset areas for which the U.S. Census Bureau collected data. The plotted map scale is 1:133,055.
Date: 2010
Creator: United States. Bureau of the Census.
System: The Portal to Texas History