Navionics Fishing Maps. Using advanced computerized hydrographic survey technology, Navionics collected thousands of man-hours of data including water depth, lake bottom characteristics, sonar imagery and global positioning points for selected lakes across the country. The data, ranging from several hundred thousand to several million data points per map, is edited to create highly detailed lake bottom fishing maps.
Features of the lake maps.
Color shaded depth contours.
Major routes and highways.
Double-sided with detailed area insets.
Top-down satellite photo overlay.
3D lake overview.
Water resistant or water proof.
Measures approximately 24" x 36" - folds to small booklet size.
Most popular lakes have multiple sheets for the most detailed coverage.