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LocNo: 7255Coffeyville Fm.,basal Tacket shale
Country: USA
Province: Oklahoma, Seminole Co.
Locality: Sasakwa, OKM-15
Layer: Coffeyville Fm.,basal Tacket shale
Lower Boundary: UOK Coffeyville Fm. base, 306.2 million years
Upper Boundary: UOK Coffeyville Fm. top, 305.9 million years
Georeference: