Lake Superior

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Is there a Huronian Group?
R. D. Irving

American Journal of Science November 1887, s3-34 (203) 365-374; DOI: https://doi.org/10.2475/ajs.s3-34.203.365
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On pseudomorphs of garnet from Lake Superior and Salida, Colorado
Samuel L. Penfield and F. L. Sperry

American Journal of Science October 1886, s3-32 (190) 307-311; DOI: https://doi.org/10.2475/ajs.s3-32.190.307
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Crystals of analcite from the Phoenix Mine, Lake Superior copper region
Samuel Lewis Penfield

American Journal of Science August 1885, s3-30 (176) 112-113; DOI: https://doi.org/10.2475/ajs.s3-30.176.112
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On pseudomorphs of chlorite after garnet at the Spurr Mountain iron mine, Lake Superior
Raphael Pumpelly

American Journal of Science July 1875, s3-10 (55) 17-21; DOI: https://doi.org/10.2475/ajs.s3-10.55.17
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On the age of the copper-bearing rocks of Lake Superior; and on the westward continuation of the Lake Superior synclinal
Roland Duer Irving

American Journal of Science July 1874, s3-8 (43) 46-56; DOI: https://doi.org/10.2475/ajs.s3-8.43.46
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Recent geographical work in the United States
Anonymous

American Journal of Science May 1872, s3-3 (17) 321-327; DOI: https://doi.org/10.2475/ajs.s3-3.17.321
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Notice of the Invertebrata dredged in Lake Superior in 1871 by the U. S. Lake Survey, under the direction of Gen. C. B. Comstock, S. I. Smith, naturalist
S. I. Smith and A. E. Verrill

American Journal of Science December 1871, s3-2 (12) 448-454; DOI: https://doi.org/10.2475/ajs.s3-2.12.448
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The paragenesis and derivation of copper and its associates on Lake Superior
Raphael Pumpelly

American Journal of Science November 1871, s3-2 (11) 347-355; DOI: https://doi.org/10.2475/ajs.s3-2.11.347
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The paragenesis and derivation of copper and its associates on Lake Superior
Raphael Pumpelly

American Journal of Science September 1871, s3-2 (9) 188-198; DOI: https://doi.org/10.2475/ajs.s3-2.9.188
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Remarks on the dissolution of field ice
Charles Whittlesey

American Journal of Science January 1860, s2-29 (85) 111-112; DOI: https://doi.org/10.2475/ajs.s2-29.85.111

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