Topographic map of Madura Island.
Own work Data sources:
NASA Shuttle Radar Topography Mission (SRTM3 v.3) (public domain) — Topography
NGDC ETOPO1 (public domain) — Bathymetry
Shuttle Radar Topography Mission (SRTM) Water Body Data (public domain) — Coastline
OpenStreetMap (public domain) — Towns, roads, rivers, lakes
Natural Earth (public domain) — Inset, graticules
Maps of General Staff of the Armed Forces of the USSR  — Russian toponymsSoftware used:
Quantum GIS
3DEM
Mapthematics Geocart
Inkscape
Adobe Photoshop
Kaidor