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LocNo: 5143Upper Leonard Fm.
Country: USA
Province: Texas, Brewster Co.
Locality: Guadal.Mts.,Old Word Ranch, 0.5 ml SE of
Layer: Upper Leonard Fm.
Lower Boundary: UTX Kungurian/Leonardian base, 275.6 million years
Upper Boundary: UTX Kungurian/Leonardian top, 270.6 million years
Georeference: