Ferdinand Vandeveer Hayden: The U. S. Geological Survey Years, 1879-1886
| Autor: | Nelson, Clifford M., Rabbitt, Mary C., Fryxell, Fritiof M. |
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| Zdroj: | Proceedings of the American Philosophical Society, 1981 Jun . 125(3), 238-243. |
| Databáze: | JSTOR Journals |
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