Filters: Tags: Northumberland County, Virginia (X)
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Showing upland sand and gravel resting on Miocene sand and clays.
Categories: Image;
Tags: Clark's mill,
Lee, W.T. Collection,
Mills, Mines, Quarries,
Northumberland County, Virginia,
Photographers,
A.G. Maddren pointing to fossiliferous layer in road.
Categories: Image;
Tags: Lee, W.T. Collection,
Mills, Mines, Quarries,
Northumberland County, Virginia,
Photographers,
Snyders Mill,
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