Author: Kesling, R.V., Johnson, A.W.,, & Sorensen, H.O., 1976.:
Title: Devonian strata of the Afton-Onaway area, Michigan. [Pap. Paleont., 17.]
Description: Ann Arbor: Museum of Paleontology, 1976. 4to. Pp. [ii],148, frontisp., 63 figs., maps and photos in text, append. Orig. stiff pict. wrappers. Spine neatly mended, fine otherwise.

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