Surface of lower diabase flow of Perry formation; on shore 1 mile north of Perry; shows abundance of calcite amygdules. Washington County, Maine. 1913.
Dates
Date Taken
1913
Summary
Surface of lower diabase flow of Perry formation; on shore 1 mile north of Perry; shows abundance of calcite amygdules. Washington County, Maine. 1913. Plate 9 in U.S. Geological Survey. Folio 192. 1914.
Summary
Surface of lower diabase flow of Perry formation; on shore 1 mile north of Perry; shows abundance of calcite amygdules. Washington County, Maine. 1913. Plate 9 in U.S. Geological Survey. Folio 192. 1914.
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