Figure 1
From: Javanese Homo erectus on the move in SE Asia circa 1.8 Ma

Geology of Sangiran. (a) Regional view. Black line delinates continental Sundaland (120 m isodepth). Stars indicate possible northern entry points (thereafter set to Myanmar, Thailand and Vietnam) for H. erectus. (b) Java island and main biostratigraphic sites (hominin-bearing sites: Sangiran (s), Mojokerto (m), Trinil (t), Ngandong (n); and faunal site Bumiayu (b). (c) 3D view of the Sangiran dome. Geological map redrawn from15,22. Red star locates Bukuran creek outcrop; skull is Sangiran-1723. Maps on panels (a,b) were created using GMT 5 (www.generic-mapping-tools.org)24; on panel (c). using ArcGIS (www.arcgis.com).