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LocNo: 390Rockford Limestone
Country: USA
Province: Indiana, Jackson Co.
Locality: Rockford, 4 mls N of Rockford
Layer: Rockford Limestone
Lower Boundary: UIN Rockford Lst. base, 354 million years
Upper Boundary: UIN Rockford Lst. + low.Nancy Mb. top, 352 million years
Georeference: