Garmin Canada LakeVü HD g3 - microSD/SDCanada LakeV HD g3 microSD SD The Advanced Freshwater Fishing Map Industry leading coverage, clarity and detail with updated inland maps that feature integrated Garmin and Navionics content Coverage for more than 13,500 total lakes, of which more than 4,800 have 1 contours Auto Guidance technology quickly calculates a suggested route by using your desired depth and overhead clearance Includes Depth Range Shading for up to 10 depth ranges, enabling you