Topo USA 8.0 National Edition Up-to-date, feature-rich topographic software works on PCs as a stand-alone product or in conjunction with Delorme GPS units Updated highway, street, back road, and trail detail, including highways and streets for Canada and major roads for Mexico Paperless geocaching with DeLorme Earthmate PN-Series GPS receivers--easily import, export, manage, and update your geocache files The most current available USGS terrain and land cover data, with realistic 3-D terrain views, with flyovers and 360-degree rotation Voice navigation for PCs, UMPCs, touchscreen phones, and PDAs