Ingleside Formation (CO*,WY*)
early Permian (Wolfcampian)*
Typically developed at Ingleside quarries and at Owl Canyon, [3 mi north of Ingleside], Larimer Co., central northern CO (Butters, 1913).
Type section stated to be at Ingleside, in S/2 sec. 25, T. 9 N., R. 70 W., Larimer Co., central northern CO (Maughan and Wilson, 1960).
Denver basin*
Powder River 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 ([ ]).