Gannett Group (ID*,WY*)
(alphabetical): Bechler Conglomerate (ID*,WY), Bechler Formation (ID*,WY), Bechler Red Beds (ID*,WY*), or Bechler Shale (ID*,WY*), Draney Limestone (ID*,WY*), Ephraim Conglomerate (ID*,WY*), Peterson Limestone (ID*,WY*), Smoot Formation (ID,WY).
Early Cretaceous*
Not designated. Named from Gannett Hills, Bannock Co., ID, and Lincoln Co., WY (Mansfield and Roundy, 1916).
Green River basin*
Snake River basin*
Wasatch 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 ([ ]).