Richardsons' Lake Superior (4th Edition) has been formatted into a convenient 12" x 18" format and is bound together with a spiral binding for lasting durability. This edition also includes coverage on: Isle Royale, Apostle Islands, Keweenaw Waterway, St. Mary's River, Soo Locks and the De Tour Passage. Supplementary information includes: radio communications, radio navigation, Rules of the Road, weather data, distress signals and Coast Guard facilities. Stay on course with the guidance of Richardsons' Lake Superior. Includes: • U.S. and Canadian Chart Coverage • Cruising Facility Information (located and described on charts) • GPS Waypoint Labels on Chart pages • Aerial Photographs • Basic Navigation and Emergency Procedures • Yeoman Reference Points on Chart Pages • Detailed Index Dimensions: 12 x 18'' Author: Richardsons' Maptech Publisher: Edgewater Marine Industries Edition Date: 2011 Number of pages: 114