Cartography - Humminbird

A Humminbird map is built into all APEX series, SOLIX Series and GPS-equipped Helix series G2G2N and new models. Based on freshwater data from Lakemaster and NOAA, the most- trusted saltwater source, the accurate maps provide you with a clear view of underwater terrain. Hummminbird helps fishermen pinpoint fishing hotspots by showing freshwater depth contours in 10 and 20 feet increments for more that 10,000 American lakes, not no mention precise coverage of the entire U.S. coastline.