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National Geologic Map Database

Geologic Unit: Bullfrog

Usage:

Bullfrog Member of Lakedale Drift (WA)


Geologic age:

Quaternary
Pleistocene


Type section, locality, area and/or origin of name:

Borrow pit beside south bank of Cle Elum River, in NE/4 SW/4 sec. 19, T. 20 N., R. 15 E., Kittitas Co., WA (Porter, 1976).


AAPG geologic province:

Cascades 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 ([ ]).