1. Mastodon-bearing springs and late Quaternary geochronology of the lower Pomme de Terre Valley, Missouri Author/Creator: Haynes, C. Vance, Jr., 1928- Publication/Creation: Boulder, Colo. : Geological Society of America, [1985] Resource Type: Book Is Part Of: Bound with: QE1 .G4 S7 NO.203-204 ; Soils and Quaternary geology of the southwestern United States / Access & Availability: Loading