When I originally made this POI, I was under the impression that people referred to the sinkhole(s) specifically as Dokfuma. I now see, reviewing increasingly plentiful online sources, that the name refers to the whole area.

This is not a volcano. It is a karst sinkhole. Reference: https://openresearch-repository.anu.edu.au/bitstream/1885/155501/1/Niugini%20Caver%20Vol%206%20No%203.pdf

Adds river

Creates lake

Refines streams

Slightly refines the coastline

Slightly refines the coastline

Refines lake edges and stream ends

Standardize village name

Added wetland.

Refined coastline. Further precision probably requires imagery at a known tide level.

Per https://www.semanticscholar.org/paper/Late-Pleistocene-butchered-Bison-antiquus-from-Ayer-Kenady-Wilson/b19f7efe104396c3f2df34b49fee4a07f4cff897 (note open access version).

Removed completed construction. Some construction paraphernalia remains in the area but it’s no longer the primary landuse.

This lake seems to have been expanded over the last few years. Also refined the wetland’s border with it.

Refining waterways and dam

Added lake

Refined road

Removed name=forest from forests. Given that it’s lowercase, I’m assuming it represents confusion about the name tag, not an actual common name.

Adding GPS observatory. Source: https://www.unavco.org/instrumentation/networks/status/pbo/data/P224

Refine stream