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Google Analytics Dashboard for Contributions to economic geology, 1917, Part I, Metals and nonmetals except fuels--Possibilities for manganese ore on certain undeveloped tracts in the Shenandoah Valley, Virginia

Contributions to economic geology, 1917, Part I, Metals and nonmetals except fuels--Possibilities for manganese ore on certain undeveloped tracts in the Shenandoah Valley, Virginia

URI: https://pubs.usgs.gov/publication/b660J

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