Blank relief map of the gulf of Morbihan, Brittany, France. For geo-location purpose, with distinct boundaries for communes. Each commune can be colored distinctively.Equirectangular projection, WGS84 datum

Standard meridian: 002° 49' 30" W (-2.825)
True scale parallel: 47° 34' 30" N (47.575)Geographic limits of the map:

North: 47° 40' 30" N (47.675)
South: 47° 28' 30" N (47.475)
East:  -2° 39' 00" W (-2.650)
West:  -3° 00' 00" W (-3.000)
Sources:
Shorelines and lakes: NASA Shuttle Radar Topography Mission (SWBD) (public domain)
Topography and relief: NASA Shuttle Radar Topography Mission (SRTM3 v.2) (public domain) ;
Communes and rivers: [www.openstreetmap.fr OpenStreetMap] (CC-BY-SA-2.0)
Sémhur (talk)