National Geographic Topo Explorer Deluxe - Tired of digging through pile and piles of USGS topos to find that secluded valley you're headed to? Pick up the National Geographic TOPO! Explorer Deluxe and have full digital access to a nationwide set of USGS 1:100,000 maps. The package also comes with 25 map download credits for more detailed USGS SuperQuad maps, perfect for planning backpacking, hiking, climbing or cycling trips. TOPO! Explorer Deluxe also hooks you into National Geographic's recreational database, with interactive trail updates, descriptions, and pictures. GPS compatible with: Garmin, Magellan, Suunto, Eagle and Lowrance receivers, Country of Origin: China.