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Table of Contents

July 1880; Volume s3-20,Issue 115

Hydrogeology

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    Contributions to meteorology, being results derived from an examination of the observations of the United States Signal Service and from other sources
    Elias Loomis
    American Journal of Science July 1880, s3-20 (115) 1-21; DOI: https://doi.org/10.2475/ajs.s3-20.115.1
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    On an improvement in the Sprengel pump
    O. N. Rood
    American Journal of Science July 1880, s3-20 (115) 57-58; DOI: https://doi.org/10.2475/ajs.s3-20.115.57

Areal geology

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    On the geological relations of the limestone belts of Westchester County, New York
    James Dwight Dana
    American Journal of Science July 1880, s3-20 (115) 21-32; DOI: https://doi.org/10.2475/ajs.s3-20.115.21

Extraterrestrial geology

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    Observations on Mount Etna
    S. P. Langley
    American Journal of Science July 1880, s3-20 (115) 33-44; DOI: https://doi.org/10.2475/ajs.s3-20.115.33
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    Description of a new position micrometer
    L. Waldo
    American Journal of Science July 1880, s3-20 (115) 49-52; DOI: https://doi.org/10.2475/ajs.s3-20.115.49

Invertebrate paleontology

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    On the antiquity of certain subordinate types of freshwater and land Mollusca
    Charles Abiathar White
    American Journal of Science July 1880, s3-20 (115) 44-49; DOI: https://doi.org/10.2475/ajs.s3-20.115.44

General geophysics

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    On Boltzman's method for determining the velocity of an electric current
    H. Hall
    American Journal of Science July 1880, s3-20 (115) 52-54; DOI: https://doi.org/10.2475/ajs.s3-20.115.52

Mineralogy

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    Mineralogical notices; a peculiar mineral of the scapolite family; etc.
    Charles Upham Shepard
    American Journal of Science July 1880, s3-20 (115) 54-57; DOI: https://doi.org/10.2475/ajs.s3-20.115.54
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American Journal of Science
Vol. s3-20, Issue 115
July 1880
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