This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Bulletin Fig Pegmatites showing irregularities. en Figure Original Caption Pegmatites showing irregularities of outline and width at Richmond Granite Quarrying Company's quarry miles north of Richmond VA Granites of the Southeastern Atlantic States Bulletin United States Geological Survey Government Printing Office Washington