Western States

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Remarks on the Jura-Trias of western North America
Charles Abiathar White

American Journal of Science March 1879, s3-17 (99) 214-218; DOI: https://doi.org/10.2475/ajs.s3-17.99.214
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Paleozoic subdivisions on the fortieth parallel
Clarence King

American Journal of Science June 1876, s3-11 (66) 475-482; DOI: https://doi.org/10.2475/ajs.s3-11.66.475
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Notice of some new fossil mammals and birds from the Tertiary formation of the West
Othniel Charles Marsh

American Journal of Science August 1871, s3-2 (8) 120-127; DOI: https://doi.org/10.2475/ajs.s3-2.8.120

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