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The formation of geodes with remarks on the silicification of fossils
Date:
1908
Citation:
Bassler, Ray S. 1908. "The formation of geodes with remarks on the silicification of fossils." Proceedings of the United States National Museum. 35 (1637):133–154, 1 fig., 7 pls.. https://doi.org/10.5479/si.00963801.35-1637.133
