I asked a friend of mine who got a god hang of things like this and who is not in the mapping community what he tought could be a good logo for us. He have had to stick out with my mapping talking for the past years so he got the hang of what i was asking for.
He came up with this idea. I have had to make it myselfe so it could be done better:

I whanted to see what it would look like with caulk so:
