Table of Contents

Articles

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  The 1846 identification of Silurian fossils in the metamorphic rocks of New Hampshire

  Marland P. Billings

  American Journal of Science September 1988, 288 (7) 677-683; DOI: https://doi.org/10.2475/ajs.288.7.677
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  Earliest Devonian conodonts from marbles of the Fitch Formation, Bernardston Nappe, north-central Massachusetts

  David C. Elbert, Anita G. Harris and Kirk E. Denkler

  American Journal of Science September 1988, 288 (7) 684-700; DOI: https://doi.org/10.2475/ajs.288.7.684
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  Interpretation of K-Ar mineral dates from Grenville orogenic belt

  Susan L. Anderson

  American Journal of Science September 1988, 288 (7) 701-734; DOI: https://doi.org/10.2475/ajs.288.7.701
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  Cambrian-Ordovician (500 Ma) alkalic plutonism in southwestern New Mexico; U-Th-Pb isotopic data from the Florida Mountains

  Karl V. Evans and Russell E. Clemons

  American Journal of Science September 1988, 288 (7) 735-755; DOI: https://doi.org/10.2475/ajs.288.7.735
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  Tectonic interpretation of electrical structures beneath the West African Craton edge in eastern Senegal

  Michel Ritz and Bernard Robineau

  American Journal of Science September 1988, 288 (7) 756-776; DOI: https://doi.org/10.2475/ajs.288.7.756