Author: Boucot, A.J., & Arndt, R., 1960.:
Title: Fossils of the Littleton Formation (Lower Devonian) of New Hampshire. [U.S. Geol. Surv. Prof. Pap., 334-B.]
Description: Washington. 4to. Pp. iv,41-51,[3], 63 photos of brachiopods on 3 plates, 2 sketch maps, refs., index. Orig. wrappers.

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