Sybille Tongue of Phosphoria Formation (WY)
Permian
Around Sybille anticline, near Sybille Springs, in Laramie basin, Albany Co., WY (Thomas, 1934).
Green River basin
Wind River basin
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
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