Bergstrom Formation of Taylor Group (TX*)
Late Cretaceous (Campanian)*
Type locality: roadcuts along Farm Road 973, east of Moore and Berry's Crossing (mistakenly shortened to Moore's Crossing on TX Hwy. Dept. Travis Co. Hwy. map and USGS Montopolis quadrangle, topographic) of Onion Creek, just east of Bergstrom Field, Travis Co., central eastern TX (Young, 1965).
Ouachita folded belt*
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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 ([ ]).