Pg. 19. Blue Creek Canyon group. Name used to include (ascending) Fort Sill limestone, Royer dolomite, Signal Mountain limestone, and Butterly dolomite [all of Arbuckle group]. Overlies Timbered Hills group. Age is Cambrian. Name credited to E.A. Frederickson (unpub. thesis).
[Origin of name not stated.]
Source: US geologic names lexicon (USGS Bull. 1200, p. 394).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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