Lower Silurian

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Geological relations of the limestone belts of Westchester County, New York
J. D. Dana

American Journal of Science August 1881, s3-22 (128) 103-119; DOI: https://doi.org/10.2475/ajs.s3-22.128.103
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Geological relations of the limestone belts of Westchester County, New York
J. D. Dana

American Journal of Science June 1881, s3-21 (126) 425-443; DOI: https://doi.org/10.2475/ajs.s3-21.126.425
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Geological relations of the limestone belts of Westchester County, New York
J. D. Dana

American Journal of Science December 1880, s3-20 (120) 450-456; DOI: https://doi.org/10.2475/ajs.s3-20.120.450
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Geological relations of the limestone belts of Westchester County, New York
James D. Dana

American Journal of Science November 1880, s3-20 (119) 359-375; DOI: https://doi.org/10.2475/ajs.s3-20.119.359
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On the discovery of Lower Silurian fossils in limestone associated with hydromica slates, and on other points in the geology of Lehigh and Northampton counties, eastern Pennsylvania
F. Prime

American Journal of Science April 1878, s3-15 (88) 261-269; DOI: https://doi.org/10.2475/ajs.s3-15.88.261
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On the relations of the geology of Vermont to that of Berkshire
J. D. Dana

American Journal of Science October 1877, s3-14 (82) 257-264; DOI: https://doi.org/10.2475/ajs.s3-14.82.257

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