Monster Rock is a glacial erratic in Grant County, Washington on the Ephrata Erratic Fan.[1][2][3] The rock is more than 25 feet tall.[4]
References
editSources
edit- "Ephrata Erratic Fan". U.S. National Park Service. Retrieved November 14, 2023.
- Field Guide – Pleistocene Missoula Floods Channel Scabland Taylor, p. 30
- "EPHRATA ERRATICS FAN". Ice Age Floods National Geologic Trail. Ice Age Floods Institute. Retrieved November 14, 2023.
- https://www.fws.gov › media › channeled-scablands-ephrata-fan Channeled Scablands - Ephrata Fan | FWS.gov US Fish and Wildlife Service
Further reading
edit- Cassandra Tate (March 26, 2008), "Ice Age Floods in Washington", HistoryLink, Seattle: History Ink "60 feet in diameter"