Karte des Mahakam-Flusses in Borneo: Nach den aufnahme der Niederländischen Expedition zur Durchquerung Borneo's, 1896-1897
1898
Indonesia, Malaysia
Map of the Mahakam River in Borneo, based on an expedition by the Dutch explorer Dr. Anton Nieuwenhuis in the late 19th century. An inset map shows the upper reaches of the river at twice the scale of the main map.