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USGS NGMDB: Ewing quadrangle - version 2
From the National Geologic Map Database site: "Geology of the Ewing quadrangle, Kentucky and Virginia"-
Dataset Size: 0 bytes
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USGS NGMDB: Ewing quadrangle
From the National Geologic Map Database site: "Geology of the Ewing quadrangle, Kentucky and Virginia"-
Dataset Size: 0 bytes
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