Quebec Group

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A review of Dr. R. W. Ells's second report on the geology of a portion of the Province of Quebec, with additional notes on the Quebec Group
C. D. Walcott

American Journal of Science February 1890, s3-39 (230) 101-115; DOI: https://doi.org/10.2475/ajs.s3-39.230.101
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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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On the rocks of the Quebec Group at Point Levis
William E. Logan

American Journal of Science November 1863, s2-36 (108) 366-377; DOI: https://doi.org/10.2475/ajs.s2-36.108.366
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Considerations relating to the Quebec Group, and the upper copper-bearing rocks of Lake Superior
W. E. Logan

American Journal of Science May 1862, s2-33 (99) 320-327; DOI: https://doi.org/10.2475/ajs.s2-33.99.320

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