Turn your iPhone, iPad, or Android into a fully featured GPS with Oklahoma Off-The-Grid Maps. Get instant access to thousands of full-color topo maps for the entire state. These offline digital maps work off-the-grid, even when you"re far from cell phone and data networks. Includes GPS mobile apps designed for hiking, backpacking, hunting, and other outdoor activities. • Map Types Included: Topographic, Forest Roads, Lake Maps, Public Land Boundaries, Private Land Maps • Every memory card comes pre-loaded with an entire state"s worth of full-color USGS topo maps, enhanced by MyTopo. • Topo maps feature 18 zoom levels (1:250K to 1:24K) so you can see your GPS location in great detail. See 20-foot contours in most places. • Private Land Maps: See ownership and property lines for these Oklahoma counties: Adair, Alfalfa, Atoka, Beaver, Beckham, Blaine, Bryan, Caddo, Canadian, Carter, Cherokee, Choctaw, Cimarron, Cleveland, Coal, Comanche, Cotton, Craig, Creek, Custer, Delaware, Dewey, Ellis, Garfield, Garvin, Grady, Grant, Greer, Harmon, Harper, Haskell, Hughes, Jackson, Jefferson, Johnston, Kay, Kingfisher, Kiowa, Latimer, Le Flore, Lincoln, Logan, Love, Major, Marshall, Mayes, Mcclain, Mccurtain, Mcintosh, Murray, Muskogee, Noble, Nowata, Okfuskee, Oklahoma, Okmulgee, Osage, Ottawa, Pawnee, Payne, Pittsburg, Pontotoc, Pottawatomie, Pushmataha, Roger Mills, Rogers, Seminole, Sequoyah, Stephens, Texas, Tillman, Tulsa, Wagoner, Washington, Washita, Woods, and Woodward. • Maps work off-the-grid. No cell towers required. • Works with iPhone, iPad, and Android devices. Android: Place microSD card into device. iPhone/iPad: Drag files from SD card into iTunes. Sync device. • Supported App: Trimble Outdoors (iPhone, Android, iPad). • Supported Website: TrimbleOutdoors.com.