Author: Armstrong, A.K., 1970.:
Title: Mississippian rugose corals, Peratrovich Formation, West Coast, Prince of Wales Island, Southeastern Alaska.
Description: [U.S. Geol. Surv. Prof. Pap., 534.] Washington. 4to. Pp. iv,44,[2], many photos on 3 pls., 29 figs., refs., index. Orig. wrs.

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