Mima Mounds

Mima mounds In Washington State are low, flattened, circular to oval, domelike, natural mounds that are composed of loose, unstratified, often gravelly sediment. Theories for the origin of Mima mounds geology include burrowing by pocket gophers; accumulation of wind-blown sediment around vegetation; seismic ground shaking by major earthquakes and shrinking and swelling of clays.

Our Video (YouTube): https://www.youtube.com/watch?v=dq1R-Zonsr8

Website: http://www.dnr.wa.gov/MimaMounds

Location: 12315 Waddell Creek Rd SW, Olympia, WA 98512, United States