Région du Nord
Subtitle: Flandre, Artois, Boulonnais, Picardie
By: par Ch. Delattre, E. Mériaux [et] M. Waterlot. Bassin de Mons, par R. Marlière.
Contributors: Mériaux, E., joint author.; Waterlot, M., joint author.
Series: Guides géologiques régionaux
Publisher: Masson
Published: 1973
Place of publication: Paris
Language: fre
Number of pages: 175
Subjects: Geology -- France -- Guidebooks.
Notes: Bibliography: p. [6]