The Potsdam group east of the Blue Ridge at Balcony Falls, Virginia

Henry Donald Campbell

doi:10.2475/ajs.s3-29.174.470

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Campbell, H. D. (1885). The Potsdam group east of the Blue Ridge at Balcony Falls, Virginia. American Journal of Science, s3-29(174), 470–474. https://doi.org/10.2475/ajs.s3-29.174.470

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The Potsdam Group East of the Blue Ridge at Balcony Falls, Virginia