No current usage.
(†Tower Creek Gravel Member of Osprey Formation (WY*) abandoned.)
Quaternary (Pleistocene)
Type section: on east side of The Narrows of the Yellowstone River Canyon, 5,800 ft N. 30 deg. W. of mouth of Tower Creek, in Yellowstone National Park, WY (Pierce and others, 1970).
Yellowstone province
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 ([ ]).