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Notes on the geology of the iron and copper districts of Lake Superior.
Vol 7, Iss 1, Page 1, Date 1880
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The felsites and their associated rocks, north of Boston.
Vol 7, Iss 2, Page 165, Date 1880
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On an occurrence of gold in Maine.
Vol 7, Iss 3, Page 181, Date 1881
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A microscopical study of the iron ore, or peridotite, of Iron Mine Hill, Cumberland, Rhode Island.
Vol 7, Iss 4, Page 183, Date 1881
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Observations upon the physical geography and geology of Mount Ktaadn and the adjacent district.
Vol 7, Iss 5, Page 189, Date 1881
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Report on the recent additions of fossil plants.
Vol 7, Iss 6, Page 225, Date 1881
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The Great Dike at Hough's Neck, Quincy, Mass.
Vol 7, Iss 7, Page 231, Date 1882
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On some specimens of Permian fossil plants from Colorado.
Vol 7, Iss 8, Page 243, Date 1882
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On the relations of the Triassic traps and sandstones of the eastern United States.
Vol 7, Iss 9, Page 249, Date 1883
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The folded Helderberg limestones east of the Catskills.
Vol 7, Iss 10, Page 311, Date 1883
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The Azoic system and its proposed subdivisions.
Vol 7, Iss 11, Page 331, Date 1884