Connecticut

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Effect of the mutual replacement of manganese and iron on the optical properties of lithiophilite and triphylite
Samuel Lewis Penfield and J. H. Pratt

American Journal of Science November 1895, s3-50 (299) 387-390; DOI: https://doi.org/10.2475/ajs.s3-50.299.387
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On a rose-colored lime-and aluminabearing variety of talc
William Herbert Hobbs

American Journal of Science May 1893, s3-45 (269) 404-407; DOI: https://doi.org/10.2475/ajs.s3-45.269.404
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Additional observations on the Jura-Trias trap of the New Haven region
James Dwight Dana

American Journal of Science August 1892, s3-44 (260) 165-169; DOI: https://doi.org/10.2475/ajs.s3-44.260.165
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The chemical composition of iolite
Oliver Cummings Farrington

American Journal of Science January 1892, s3-43 (253) 13-16; DOI: https://doi.org/10.2475/ajs.s3-43.253.13
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On Percival's map of the Jura-Trias trap belts of central Connecticut, with observations on the upturning or mountain-making disturbance of the formation
James Dwight Dana

American Journal of Science December 1891, s3-42 (252) 439-447; DOI: https://doi.org/10.2475/ajs.s3-42.252.439
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Notice of new vertebrate fossils
Othniel Charles Marsh

American Journal of Science September 1891, s3-42 (249) 265-269; DOI: https://doi.org/10.2475/ajs.s3-42.249.265
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Some of the features of nonvolcanic igneous ejections, as illustrated in the four "Rocks" of the New Haven region, West Rock, Pine Rock, Mill Rock, and East Rock
James Dwight Dana

American Journal of Science August 1891, s3-42 (248) 79-110; DOI: https://doi.org/10.2475/ajs.s3-42.248.79
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Description of the Bernardston Series of metamorphic Upper Devonian rocks; Part II
B. K. Emerson

American Journal of Science November 1890, s3-40 (239) 362-374; DOI: https://doi.org/10.2475/ajs.s3-40.239.362
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On the mineral locality at Branchville, Connecticut
George Jarvis Brush and E. S. Dana

American Journal of Science March 1890, s3-39 (231) 201-216; DOI: https://doi.org/10.2475/ajs.s3-39.231.201
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observations on some of the trap ridges of the East Haven-Branford region
Edmund Otis Hovey

American Journal of Science November 1889, s3-38 (227) 361-383; DOI: https://doi.org/10.2475/ajs.s3-38.227.361

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