Usage:
Holdrege Formation (KS*,NE*)
Holdrege Sand and Gravel Member of Fullerton Formation (NE)
Geologic age:
Quaternary (Pleistocene)*
Type section, locality, area and/or origin of name:
Named from the Trees deep test for oil and gas near Holdrege, Phelps Co., southern NE (Lugn, 1934).
Substitute type section (subsurface): ground water survey test hole A15-1-24aaa, 82 ft west and 9 ft south of northeast corner of sec. 24, T. 5 N., R. 1 E., Butler Co., southern NE (Reed and Dreeszen, 1965).
AAPG geologic province:
Anadarko basin*
Central Kansas uplift*
Salina basin*
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 ([ ]).