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My Topos Map
Last Updated: March 8th, 2010 4:03pm
Map Coverage:
State: Alabama, Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Missouri, Ohio, Tennessee, Virginia
Price: Free
These are transparent maps that show up on top of City Navigator which you still use for route calculation. They have topo lines and hydrology (streams, rivers, lakes, etc). The topo lines are from the USGS and they are more accurate than what is on the 24K USGS maps. I generally use a 10 foot contour interval (Some maps have 5 or 20 foot intervals). The hydrology is high resolution (equal to or better than the 24K USGS). I have also done lots of corrections to the hydrology by looking at ExpertGPS, Google Earth, and field checks. Since the maps are overlays they cover up the anything the lines are on top of in City Navigator. In almost all places this is not an issue. But in some places like the Mississippi River, major lakes, etc. if I did nothing to correct the problem, the maps would hide the bridges crossing the major rivers. In places where this is an issue (I may have missed some), I make the water transparent so you can see the road on the map. You will also notice intermentient water/streams show as a different shade of blue. What it looks like in the GPS is City Navigator with topolines and much better hydrology.
This is the coverage of the maps as of Janurary 30, 2010:
Keep checking back as I upload a new version every once in a while with more areas added.
Donations appriciated -hundreds of hours have gone into these maps
Download Windows Version [1016MB] (3150 Downloads)
Download Mac Version [907MB] (169 Downloads)