MAPTECH® Boothbay Region Waterproof Chart. Great coverage of Boothbay and surrounding waters from Cape Small and the Kennebec River east to the Damariscotta River. Featuring waypoints, courses and distances, ramp locations, and fish species information. 24 x 36, scale 1:40,000 with insets. NOT updated weekly and does NOT include all of the latest Notice to Mariners corrections.