28 on the excavation of a 13,600-year-old Mastodon, one of the most significant prehistoric discoveries in Iowa in recent years. Dr. John Doershuk, the Iowa's State Archaeologist and an Adjunct ...

The American mastodon (Mammut americanum), often recognized by its iconic towering stature and long, curved tusks, once roamed the expansive landscapes of North America long before the Ice Age ...