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Recent Discoveries of Cycadean Trunks in the Potomac Formation of Maryland
You can always find the topics here!Topics: Tree trunks, Ferrous minerals, Geology, Womens education, Memoirs, Fossils, Stone, Plant names, Vegetation
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Notes and References
This item contains 3 references.
*Trans. Linn. Soc.26: 708, 1870
†Monographs of the U. S. Geol. Survey, 15: 186-193, p1. clxxiv.-Zcxxx., 1889
*Mem. Real. Accad. Sci. Ist. Bologna (V.), 161-215, pl. 1-5