Papua New Guinea. Lot of 30 maps

1940s-50s. Collection of chromolithograph maps for the Dutch Ministry of Hydraulics, var. sizes, most stamped and w. some annotations. Incl. highly detailed sea and depth charts, coastal and river maps. Some titles incl. a.o.: (1) Ankerplaatsen op de Zuidkust van Biak. (2) Asahan-riviek van Bagan tot Soengai Kepajang. (3) Zuidkust van Ned Nieuw Guinea van de Bensbach Kreek tot de Grens. (4) Vaarwaters en ankerplaatsen nabij Billiton.

Some minor edge wear, occas. sl. creased, overall in good condition. (total approx. 30)