Author: ORTLIEB, Jean, & CHELLONNEIX, E.:
Title: Etude géologique des collines tertiaires du Département du Nord comparées avec celles de la Belgique.
Description: Lille: Quarré, Castiaux, 1980. 8vo. Pp. [iv],228, 6 fold. maps, 1 lpate, 1 coloured folding plate of sections, 21 wood-engrs. in text. Paperbound, orig. printed wrappers, uncut. Small repair to top of spine, very good otherwise. - Detailed lithostratigraphy of many localities, with reference to their fossil contents (moslty molluscs). - Scarce.

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