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Figure 5. Cambrian Geology of Alabama

This map of Alabama shows the locations of major physiographic and geologic regions associated with the Cambrian period. Locations of Cambrian rocks are indicated in red, and Cambrian geologic features are identified with labels.
Geologic regions adapted from Johnson and Tull, 2002; Tull et al., 2012; and Barineau et al., 2015, and USGS Open-File Report 2005-1323. Background image adapted from Google Earth.