2024 November, Volume 38, No 7October 29, 2024/in Newsletter /by Amy KnudsonBrian F. Atwater, U.S. Geological Survey Volcanic Ash in a Varved Record of Missoula Flood Periodicity Newsletter https://nwgs.org/wp-content/uploads/2024/10/2024_7.jpg 679 905 Amy Knudson Amy Knudson2024-10-29 08:27:172024-10-29 08:32:112024 November, Volume 38, No 7