Borneo-Expedition; Geological Explorations of Central Borneo (1893-94); Atlas, 1902, by GAF Molengraaff. Published by Society for the Promotion of the Scientific Exploration of the Dutch Colonies, Brill, Leiden, NL. Atlas volume only of 2 volumeset. Large format 49.5x34.5cm (19.5x13.5in) embossed cloth covered hard cover. 14 fold-out and double pages plates of maps, sections and panoramic photographs. The geological traverses follow major rivers at scales or 1:50,000 or 1:75,000. Regional maps sketch in the geology between the traverses at 1:500,000. Maps are clean and bright and are glued to binding strip so that they lay flat when the atlas is open. Occasional minor tears at joins of maps to binding strip have been neatly repaired with non-archival tape that has left light brown stains. Corners bumped. Otherwise in good to very good condition.