Survey points and topology, one of many map styles available for
Garmin GPS receivers. More great details, en français, here:
http://wiki.openstreetmap.org/wiki/User:Petrovsk/FR:My_Garmin_map_styles
This is a Featured image, which means that it has been identified as
one of the best examples of OpenStreetMap mapping, or that it provides
a useful illustration of the OpenStreetMap project.
If you know another image of similar quality, you can nominate it on
Featured image proposals.
http://wiki.openstreetmap.org/wiki/Featured_image_proposals
