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Geological map of the Potomac basin west of Blue Ridge, Virginia and West Virginia : showing the relations of its upper Potomac coal basin and the iron-ore bearing areas in reference to the West Virginia Central and Pittsburg [sic] R.R., and its connections and extensions /

Geological map of the Potomac basin west of Blue Ridge, Virginia and West Virginia : showing the relations of its upper Potomac coal basin and the iron-ore bearing areas in reference to the West Virginia Central and Pittsburg [sic] R.R., and its connections and extensions /

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Library Of Congress

The objects in this archive are from Library of Congress - the nation’s first established cultural institution and the largest library in the world, with millions of items including books, recordings, photographs, maps and manuscripts in its collections. The Library provides Congress, the federal government and the American people with a rich, diverse and enduring source of knowledge to inform, inspire and engage them and support their intellectual and creative endeavors.

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