Irregular argillaceous and siliceous banding in the lower beds of the Beekmantown limestone 1 mile southwest of Aqua. Franklin County, Pennsylvania. 1909.
Dates
Date Taken
1909
Summary
Irregular argillaceous and siliceous banding in the lower beds of the Beekmantown limestone 1 mile southwest of Aqua. Franklin County, Pennsylvania. 1909. Figure 16 in U.S. Geological Survey. Folio 170. 1909.
Summary
Irregular argillaceous and siliceous banding in the lower beds of the Beekmantown limestone 1 mile southwest of Aqua. Franklin County, Pennsylvania. 1909. Figure 16 in U.S. Geological Survey. Folio 170. 1909.
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