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Thanks, I appreciate the input! Can I make those shape files in other software?? I think I should be able to with Autocadd if nothing else... I have hard copy maps with the claims located, based on section lines, which I dont see on the Arizona Topo map.

That brings up another point, I think the boundaries of BLM/Forest and state lands are shifed off a little on the Arizona Topo map, is it possible they are off a little?? I know a couple times reading the USGS Topo quad map that I had plotted the boundaries onto, When I should have been on BLM my garmin still showed me on State trust land and vise versa.

I plotted these claims though mapsource just using the route tool so I could print them and be looking at a hard copy of the same map I was seeing on the garmin, but all I had for reference points were the countour lines and while they look right on a printed map, again where the whole claim should be on blm land, it shows up largely on state trust land.

I am new to the whole gps thing anyway, but I guess I could double check this with gps coordinates of section line intersections??

Thanks again
Jeff

I have downloaded the free Arizona topo map from GPS File depot and I would like to customize it a little, by adding either to the map, or as an overlay, but creating a color coded map defining mineral claims so when I go out prospecting in an area, I will know just by the color of the screen if I am on a claim or not. Any help would be greatly appreciated. Where do I start? Any free software I can download?? Also any simple directions on what to do with it to get started would be greatly appreciated. I would want my color codes to control over the green/white areas shown on the existing map. It that means I would need to turn the other one off to use the new one I am going to create, I could live with it, but would be preferable to be able to do it without shutting off the topo base map.

Thanks in advance for any help anyone is willing to give me!
Jeff