Maptech waterproof chart. Detailed coverage of Sheepscot Bay, Booth Bay, Johns Bay and Muscongas Bay. Includes Monhegan Island, Damariscove and Sequin Islands. Insets give details of Christmas Cove and South Bristol Harbor. Bigger Place Names are easy to find. 52 GPS and LORAN Waypoints guide the way. Information from NOAA Charts 13301, 13293 and 13301. GPS datum