Map projection: transverse Mercator, central meridian: 130.5
Map extent: -1.015635146 dd to -1.11062269 dd, 131.121096571 dd to 131.217058161 dd.
Land cover data is taken, with minor modifications, from Penutupan Lahan 2011 http://appgis.dephut.go.id/appgis/kml.aspx.
Elevation is from DEMNAS 1.0. Sea depths are from BATNAS 1.1 (MSL, with a -8 m offset). Both available at http://tides.big.go.id/DEMNAS/.
Placenames have been collected from a variety of often mutually conflicting sources:

Database of Indonesian island names http://paws-public.wmflabs.org/paws-public/25896395/pulau_indonesia/results/PAPUA%20BARAT.csv
Atlas peta potensi pengembangan komoditas dan kawasan perkebunan kakao dan pala provinsi Papua Barat (2015) http://www1.pertanian.go.id/sikp/files/perkebunan/ATLASBUN_250K_PAPUA%20BARAT.pdf
Kasim, Series: JOG 1501, Sheet SA 52-8, 1968, 1:250 000 https://openresearch-repository.anu.edu.au/handle/1885/108048Indonesia.
http://kph.menlhk.go.id/phocadownload/peta_kph_provinsi/KPH%20Papua%20Barat.pdf
Sailing directions for New Guinea : includes Halmahera and islands southward (1976) https://babel.hathitrust.org/cgi/pt?id=uc1.e0000817254&amp;view=1up&amp;seq=245
http://kph.menlhk.go.id/sinpasdok/public/sk_menhut/SORONG/SK%20KPHP%20SORONG,%20PAPUA%20BARAT,%202010.pdf
http://kph.menlhk.go.id/sinpasdok/public/sk_menhut/REMU/SK%20KPHL%20REMU%20(BAGIAN%20KPHP%20UNIT%20II),%20PAPUA%20BARAT,%202013.pdf
Own work
Uanfala