Gotlannin topografinen kartta.
Self-made in Inkscape.

Boundaries and topography based on SRTM data as modified by CGIAR-CSI.
Relief shading is an embedded bitmap, derived from the SRTM data using GIMP.
Bathymetry is based on SRTM30_PLUS.
Roads and locations of place names based on an OpenStreetMap raster by OpenStreetMap contributors.
Mysid