Author: Davies, D.C., 1877.:
Title: On the relation of the Upper Carboniferous strata of Shropshire and Devonshire to beds usually described as Permian.
Description: Quart. Jour. Geol. Soc. London, 33(1)/129: pp. 10-19, 20 columnar sections and 1 transverse section on 1 large folding plate. Extract, plain new wrappers.

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