No current usage.
(†Waldrip division (TX) abandoned. Is same as Cisco Group. See Cisco.)
Pennsylvanian
Named from Waldrip, McCulloch Co., Colorado River region, central TX (US geologic names lexicons, USGS Bull. 896, 1200).
Llano uplift
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).