lithostratigraphy

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Post-Laramie deposits of Colorado
[Charles] Whitman Cross

American Journal of Science July 1892, s3-44 (259) 19-42; DOI: https://doi.org/10.2475/ajs.s3-44.259.19
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Description of the Bernardston Series of metamorphic Upper Devonian rocks; Part II
B. K. Emerson

American Journal of Science November 1890, s3-40 (239) 362-374; DOI: https://doi.org/10.2475/ajs.s3-40.239.362
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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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Three formations of the Middle Atlantic slope
W. J. McGee

American Journal of Science June 1888, s3-35 (210) 448-466; DOI: https://doi.org/10.2475/ajs.s3-35.210.448
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Three formations of the Middle Atlantic slope
W. J. McGee

American Journal of Science May 1888, s3-35 (209) 367-388; DOI: https://doi.org/10.2475/ajs.s3-35.209.367
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The Taconic system of Emmons, and the use of the name Taconic in geologic nomenclature
Chas D. Walcott

American Journal of Science May 1888, s3-35 (209) 394-401; DOI: https://doi.org/10.2475/ajs.s3-35.209.394
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The Taconic system of Emmons and the use of the name Taconic in geologic nomenclature
C. D. Malcom

American Journal of Science April 1888, s3-35 (208) 307-327; DOI: https://doi.org/10.2475/ajs.s3-35.208.307
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Three formations of the Middle Atlantic slope
W. J. McGee

American Journal of Science April 1888, s3-35 (208) 328-330; DOI: https://doi.org/10.2475/ajs.s3-35.208.328
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A new ammonite which throws additional light upon the geological position of the Alpine Rhaetic
W. B. Clark

American Journal of Science February 1888, s3-35 (206) 118-120; DOI: https://doi.org/10.2475/ajs.s3-35.206.118
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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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