surveys

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The secular variation of latitudes
G. C. Comstock

American Journal of Science December 1891, s3-42 (252) 470-482; DOI: https://doi.org/10.2475/ajs.s3-42.252.470
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Magnetic and gravity observations on the west coast of Africa and at some islands in the North and South Atlantic
E. D. Preston

American Journal of Science December 1890, s3-40 (240) 478-483; DOI: https://doi.org/10.2475/ajs.s3-40.240.478
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The magnetic field in the Jefferson Physical Laboratory; Part II
R. W. Willson

American Journal of Science June 1890, s3-39 (234) 456-470; DOI: https://doi.org/10.2475/ajs.s3-39.234.456
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The magnetic field in the Jefferson Physical Laboratory
R. W. Willson

American Journal of Science February 1890, s3-39 (230) 87-93; DOI: https://doi.org/10.2475/ajs.s3-39.230.87
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Measurement of the Peruvian arc
E. D. Preston

American Journal of Science January 1890, s3-39 (229) 1-17; DOI: https://doi.org/10.2475/ajs.s3-39.229.1
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On the deflection of the plumb-line and variations of gravity in the Hawaiian Islands
E. D. Preston

American Journal of Science November 1888, s3-36 (215) 305-317; DOI: https://doi.org/10.2475/ajs.s3-36.215.305
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The organization and plan of the United States Geological Survey
John Wesley Powell

American Journal of Science February 1885, s3-29 (170) 93-102; DOI: https://doi.org/10.2475/ajs.s3-29.170.93
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The age of the southern Appalachians
John B. Elliot

American Journal of Science April 1883, s3-25 (148) 282-298; DOI: https://doi.org/10.2475/ajs.s3-25.148.282
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Magnetic observations made in Davis Strait, in August and September, 1880, on board the steamship Gulnare
O. T. Sherman

American Journal of Science July 1881, s3-22 (127) 49-51; DOI: https://doi.org/10.2475/ajs.s3-22.127.49
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On the projection of lines of equal pressure in the United States, west of Mississippi River
H. A. Hazen

American Journal of Science May 1881, s3-21 (125) 361-372; DOI: https://doi.org/10.2475/ajs.s3-21.125.361

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