http://pec.lib.wvu.edu/record/P11891933Mastodon (Mammut americanum) remains in river gravels at Point Marion, Pa. Journal article reprint from: <em>Proceedings West Virginia Academy of Science,</em> v.6 (1933:Mar.). Price, Paul H. (Paul Holland), 1898-Wells, Dana.Animal remains (Archaeology)--Pennsylvania--Point Marion.Mastodons.14256