Author: Andrews, G.W., 1966.:
Title: Late Pleistocene diatoms from the Trempeleau Valley, Wsconsin. [U.S. Geol. Surv. Prof. Pap., 523-A.]
Description: Washington. 4to. Pp. iv,27,[3], 75 microphotos on 3 pls., 4 figs., refs., index. Orig. wrs.

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