Garmin - MapSource Inland Lakes Support and Manuals
Spend the day fishing, boating or just enjoying the water on thousands of lakes and waterways. U.S. Inland Lakes contains comprehensive coverage of freshwater lakes throughout the region. Most maps include contour lines, high-definition shoreline and bathymetric detail. They also contain navigation aids, wrecks and obstructions, river and creek channels, boat ramps, rivers and streams, and major roads and highways.