MAPTECH Waterproof Chart WPC123-03 San Francisco Bay, California 3rd Edition marine facilities, ramp locations, recreation areas, courses and distances and GPS waypoints. 24" x 36" (12” x 6" folded). Scale 1:27,000 (Side A) and 1:80,000 (Side B), with insets of Richardson Bay, Coyote Point, Redwood Creek and Mayfield Slough. MAPTECH “Flip-Fold” charts are easy-to-use.MAPTECH WaterProof Charts are printed on high-quality, waterproof, synthetic paper. Chart images are crisp and easy-to-read.
