American Journal of Science: 239 (3)

Index by author

March 01, 1941; Volume 239,Issue 3

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Geochemical calculations concerning the total mass of sediments in the earth
Philip Henry Kuenen

American Journal of Science March 1941, 239 (3) 161-190; DOI: https://doi.org/10.2475/ajs.239.3.161
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The radioactive determination of small amounts of uranium
William Donald Urry

American Journal of Science March 1941, 239 (3) 191-203; DOI: https://doi.org/10.2475/ajs.239.3.191
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Permo-Triassic boundary in Idaho, Montana, and Wyoming
Norman Dennis Newell and Bernhard Kummel

American Journal of Science March 1941, 239 (3) 204-208; DOI: https://doi.org/10.2475/ajs.239.3.204
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Course of Columbia River in southern central Washington
Charles Reynolds Warren

American Journal of Science March 1941, 239 (3) 209-232; DOI: https://doi.org/10.2475/ajs.239.3.209