geophysical surveys

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On recent soundings in the Gulf Stream
Henry Mitchell

American Journal of Science January 1867, s2-43 (127) 69-74; DOI: https://doi.org/10.2475/ajs.s2-43.127.69
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Results of magnetical observations made at Eastport, Maine, between 1860 and 1864, for the United States Coast Survey
A. D. Bache

American Journal of Science September 1866, s2-42 (125) 141-151; DOI: https://doi.org/10.2475/ajs.s2-42.125.141
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Progress of the Geological Survey of California
J. D. Whitney

American Journal of Science September 1864, s2-38 (113) 256-264; DOI: https://doi.org/10.2475/ajs.s2-38.113.256
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Abstract of results of a magnetic survey of Pennsylvania and parts of adjacent states in 1840 and 1841, with some additional results of 1843 and 1862, and a map
A. D. Bache

American Journal of Science May 1863, s2-35 (105) 359-375; DOI: https://doi.org/10.2475/ajs.s2-35.105.359

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