fossil wood

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Note on fossil woods from British Columbia, collected by Mr. Richardson
J. W. Dawson

American Journal of Science January 1874, s3-7 (37) 47-50; DOI: https://doi.org/10.2475/ajs.s3-7.37.47
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Address before the American Association at its recent meeting in Dubuque, Iowa
Asa Gray

American Journal of Science October 1872, s3-4 (22) 282-298; DOI: https://doi.org/10.2475/ajs.s3-4.22.282