Lehigh County Pennsylvania

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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 occurrence of the brown hematite deposits of the Great Valley
Frederick Prime

American Journal of Science June 1875, s3-9 (54) 433-440; DOI: https://doi.org/10.2475/ajs.s3-9.54.433

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