RobRed
Explorer
If you want USGS mapping this works well http://itunes.apple.com/us/app/topo-maps/id306014271?mt=8 and the Topo's take about 15 secs over 3G to download. They can cache for offline use.
It's not a super polished app and some things in the UI are quirky but for strait mapping with a GPS position overlay it's decent.
It's not a super polished app and some things in the UI are quirky but for strait mapping with a GPS position overlay it's decent.
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