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LocNo: 1203Onondaga M. of Romney Fm.
Country: USA
Province: Maryland
Locality: Oldtown
Layer: Onondaga M. of Romney Fm.
Lower Boundary: Emsian--Eifelian [dm96:00,00] [EMS--EIF], 397.5 million years
Upper Boundary: mid.--up.varcus Zone [17,00], 389 million years
Georeference: