A bit of a Bouvard and Pécuchet thing, which basically means an opportunity to wallow in the art of procrastination, led by vagrant and insidious thoughts, and a continuous flow of new found interests and awes, whether momentary or enduring, often seemingly disparate.
map of the state of maine, maps of mount desert island, modern nautical chart of maine, 3d elevation + 1904 acadia usgs map and 3d elevation + tennessee valley 1942 map by scott reinhard