The same shoreline, read at five moments. Features appear only where a dated source places them; where a position is inferred rather than surveyed, it is marked as such.
Every place in this history, regardless of period.
These places have no dated feature record yet, so they cannot honestly be shown appearing or disappearing: Lobster Cove & Crab Point, Government Dock, Civilian Dock, Big Beach, Little Beach, Bathing Beach & Slipway.