The Humminbird LakeMaster map cards boasts hundreds of lakes and popular water bodies in high definition. New map card versions include improved HD detail and more accurate contours. The LakeMaster Chart map cards are i-Pilot Link compatible. The Humminbird LakeMaster MidAtlantic Edition, Version 1 Map Card covers Delaware, Maryland, North Carolina, South Carolina, Virgina, and West Virgina. Version includes over 100 lakes, ponds, and rivers and over 30 High Definition surveyed lakes.