The land encompassed by Dugualla State Park was acquired in 1992, when Washington State Parks bought the property to prevent it from being logged. It is now a quiet little state park at the north end of Oak Harbor.
In the Bronze Age chalcedony was in use in the Mediterranean region; for example, on Minoan Crete at the Palace of Knossos, chalcedony seals have been recovered dating to circa 1800 BC.