Garmin On The Water GPS Cartography BlueChart g2 Vision Gulf of Mexico Lar

: . Brownsville - Key Largo Digital Map Premier Coastal Chart Coverage Up to 1' Detailed Contours. - More Accurate Picture of Bottom Structure. - Improved Fishing Charts & Navigation. - Enhanced Detailing in Swamps, Canals, Marinas & Port Plans High-Resolution Depth Range Shading. - Up to 10 High-Resolution Depth Ranges. - Displays Shaded Target De... morepths Shallow Water Shading. - Allows Map Shading at User-Defined Depth. - Clear Display of Shallow Waters to Avoid Auto Guidance Technology. - Uses De