OpenStreetmap ANCOLD coordinates:
Browse link:
http://umap.openstreetmap.fr/en/map/ancold-dams-victoria-australia_808969

ArcGIS is better at labelling, but can't save maps without account:
http://www.arcgis.com/home/webmap/viewer.html

More options described here:
https://help.openstreetmap.org/questions/25/how-do-i-add-a-marker-to-a-map