Waterproof Chartbooks from Maptech

These are a great bargain for smaller geographic areas. NOAA chart reproductions done on durable waterproof material, spiral bound and 12” X 17” in size. Also include a facilities listing with a numbering system to locate each facility on the charts. Plus Maptech has added gray-scaled lines for each minute of latitude and longitude to aid distance and GPS waypoints placed in many locations to ease navigation.