Vaarwaters en ankerplaatsen op de oostkust van Borneo: Blad III
1899
Indonesia
Navigation maps of two bays on the southeast coast of Borneo. Anchorages, bathymetry (sea depth), buoys, shoals and other obstructions are shown. There is an inset map of the roadstead—a body of water sheltered from tides/currents—at Balikpapan Bay.
