Sheet of a part of Kalimantan’s east coast of a colourful map in 18 sheets of the regional development corporation Polderplan Kalimantan, belonging to the publication Perspectives of lifting water for irrigation and drainage.
H.J. Schophuys & L.W. Hannibal, Peta Kalimantan Perbandingan. [Bogor]: Direktorat Teknik pertanian dinas tata penggunan air, [1953]. [KIT KK 086-05-06/087-02-03]