National Geographics TOPO174; is the leading map software for outdoor recreation and features seamless, authentic USGS maps you can customize and print yourself.TOPO174; Michigan, Ohio and Indiana features more than 2,700 seamless USGS 124,000 scale topographic maps covering all three states in their entirety. These are not computer-generated maps, but high-resolution scans of authentic USGS quads with all the richness of detail they offer.8226; Five levels of map detail, from National Geographic Atlas maps to USGS 7.5 series seamless quads — the most detailed outdoor recreation maps available8226; Print custom-centered photo quality maps on any printer8226; Customize your map by adding trails, routes, text and symbols8226; Add notes, web links and photos linked to a location on the map8226; TOPO is GPS-ready. Transfer GPS waypoints and routes between your GPS unit and the software to find where you want to go or where you have been8226; Add latitudelongitude or UTM grids to any map8226; One-click trail profiles show you the distance along with elevation gain or loss8226; Toggle shaded relief on or off8226; Find new trails, parks, summits, campsites and more using the USA Place Finder8226; Animated 3D fly-thru feature enables you to fly along a trail you have drawn or imported from your GPS8226; Resizable split screen enables you to view maps in 2D and 3D. See a full 360 degree view8226; Live Map Update gets you the latest revised maps and software updates8226; PC and Mac (10.2) compatible