Index by author

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