Because rising sea levels continually flooded the shore, marshy Cape Cod did not fully lock into its contemporary configuration until about 1000 B.C. By that time the Dawnland had evolved into something more attractive: an ecological crazy quilt of wet maple forests, shellfish-studded tidal estuaries, thick highland woods, mossy bogs full of cranberries and orchids, fractally complex snarls of sandbars and beachfront, and fire-swept stands of pitch pine—“tremendous variety even within the compass of a few miles,” as the ecological historian William Cronon put it.
