Renier, Armand, (1930), Considérations sur la Stratigraphie du Terrain Houllier de la Belgique. Bruxelles: Musée Royal d’Histoire Naturelle de Belgique. 101pp + foldout stratigraphic chart.

Renier, Armand, (1930), Considérations sur la Stratigraphie du Terrain Houllier de la Belgique. Bruxelles: Musée Royal d’Histoire Naturelle de Belgique. 101pp + foldout stratigraphic chart. Paperback +A4 format, reprint of paper from the Memoires de MRHNB. Chart ‘Eschelles Stratigraphique du Bassin Houllier de la Belgique’ (61.5 x 90 cm) columns at 1: 700 and inset map at 1:7,000. Cover worn with tattered edges, age-toned and with library stamp annotations and owner signature in poor condition. Text chart age-toned, unmarked and clean and in very good condition

An anonymous portrait photo ‘book mark’ found in the text is included. The picture has been matched to an 1875 National Portrait Gallery photo of Samuel Plimsoll (1824-1898), MP, devised the Plimsoll Line.