MapSource United States TOPO GPS Software

Features include trip and waypoint management functions; highways, roads, hiking trails, snowmobile trails, backwoods trails, elevation contours, point elevations, summits, some bathymetric contours, geographic names, churches, and schools; shoreline detail for lakes, reservoirs, small bodies of water, waterways, rivers, and streams; icons representing boat ramps, dams, marinas, campgrounds, public facilities, mile markers, first-aid stations, picnic, swimming, and ski areas, wrecks, fuel, and dangerous and restricted areas; nautical navaids for the 50 states including radiobeacons, RACONs, and fog signals; river, harbor, and other lights; and daybeacons and lighted and unlighted buoys; wrecks and obstructions - such as shipwrecks, submerged rocks, obstructions, and other hazards to nautical navigation.