Garmin MapSource Inland Lakes West U.S. Freshwater Map microSD Card Contains coverage of freshwater lakes in Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington and Wyoming Includes high resolution satellite imagery for selected lakes, providing you with unparalleled situational awareness Provides MarinerEye view for selected lakes, showing your surroundings in 3-D so you can gauge your position quickly and reliably Provides FishEye view for selected lakes, showing your surroundings below the waterline in 3-D, including bathymetric detail Includes Auto Guidance for selected lakes, which searches map data to recommend the best passage to a destination