On some questions concerning the coal formations of North America

Leo Lesquereux

doi:10.2475/ajs.s2-30.88.63

Paleobotany

On some questions concerning the coal formations of North America

Leo Lesquereux

American Journal of Science July 1860, s2-30 (88) 63-74; DOI: https://doi.org/10.2475/ajs.s2-30.88.63

Leo Lesquereux

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American Journal of Science

Vol. s2-30, Issue 88

July 1860

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On some questions concerning the coal formations of North America

Leo Lesquereux

American Journal of Science Jul 1860, s2-30 (88) 63-74; DOI: 10.2475/ajs.s2-30.88.63

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On some questions concerning the coal formations of North America

Leo Lesquereux

American Journal of Science Jul 1860, s2-30 (88) 63-74; DOI: 10.2475/ajs.s2-30.88.63

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Keywords

Appalachians
biologic evolution
coal
coal fields
Darwin, Charles
Filicopsida
floral studies
Lepidodendron
life origin
Lycopsida
morphology
North America
Pecopteris
Plantae
Pteridophyta
sedimentary rocks
Sphenopsida
Sphenopteris
United States
Virginia

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