With the TOPO! map of California, National Geographic has taken the interactive topographic map experience to a new level. By combining its own standard-setting maps with the high-quality scanned versions of the actual paper USGS topographical maps, the National Geographic TOPO! State Series offers five levels of map detail that is unprecedented in its accuracy. Professional and weekend hikers alike will be amazed at how indispensable TOPO! will quickly become in the back country. Simply load TOPO! onto your PC, and you'll immediately begin to see the benefits of this award-winning software. With TOPO! you can customize any of the hundreds of state maps available with your proposed routes, notes and even photos. You can also create and view elevation profiles that will help you visualize your planned trek. By connecting to any standard color or black-and-white desktop printer, TOPO! allows you to select the exact area that you want to print, even if it is larger than the screen or covers multiple quad maps. TOPO! makes it a breeze to add map border information to printouts, including UTM or latitude/longitude grids, scale bars, north arrows, and magnetic declination. With Adventure Paper (sold separately) you can print out waterproof trail maps -- along with all your marks and annotations -- that will survive any rainstorm the wilderness can throw at you. TOPO! is also GPS ready, with no extensions or upgrades required. Transferring waypoints and routes between your GPS and TOPO! couldn't be easier. And with Pocket TOPO! (sold separately), you can take full advantage of your PDA the next time the wilderness calls. Simply download your maps and notes to your device, and off you go. When your trip is complete, you can upload the field notes you took with your PDA back onto your PC, and you'll have created a detailed record of your hike for future reference. No more worries about not being able to read your notes or misplacing your notebooks. Everything you need for your next hike will be saved exactly where it should be--with your map! The many advanced features that make the National Geographic TOPO! mapping software the ultimate topographic map experience for all your back country adventures include: TOPO! USA Place Finder: Use TOPO!'s advanced search functions to find trails, camps, lakes, parks, towns, and much more in a matter of seconds. Export Features: With TOPO! you can export customized maps in a number of different raster file formats (.gif, .jpg, etc.) for use in other applications. Import Features: Import GPS and vector data from a variety of sources, including GPS receivers, spreadsheets, and the web, to overlay on your maps. National Geographic mapXchange: Download custom map overlays and swap files with other TOPO! users on the National Geographic mapXchange Website. Coverage California What's in the Box Set of CD-ROMs with topographical maps covering the entire state.