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LocNo: 917Ellicott Shale
Country: USA
Province: New York, Chautauqua Co.
Locality: Summerdale, Porter Creek
Layer: Ellicott Shale
Lower Boundary: UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
Upper Boundary: UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
Georeference: