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Keywords: Bulletin 426 Fig 4 Netherwood quarry contacts.jpg en Figure 4 Original caption Contact between blue and gray granites at Netherwood quarry near Richmond VA showing inclusions of the gray in the blue 1910 Granites of the Southeastern Atlantic States Bulletin 426 United States Geological Survey Government Printing Office Washington 1910 Watson Thomas Leonard other versions PD-USGov Geology Quarrying |