Another Prehistoric Iowa Find, Mammoth Bone Discovered [PHOTOS]Another Prehistoric Iowa Find, Mammoth Bone Discovered [PHOTOS]Less than a week after a prehistoric human jaw bone was discovered in Eastern Iowa, a mammoth bone was discovered in the Hawkeye State. Eliot CloughEliot Clough
Prehistoric Human Jaw Bone Found in Iowa RiverPrehistoric Human Jaw Bone Found in Iowa RiverA biological survey was being done on the Iowa River when a jaw bone belonging to a prehistoric Native American was found. Eliot CloughEliot Clough
Wooly Mammoth Tooth Discovered At Iowa Construction SiteWooly Mammoth Tooth Discovered At Iowa Construction SiteA fossil discovered at an Iowa construction site turned out to be a mammoth tooth that is thousands of years old.Ryan "Brain" BrainardRyan "Brain" Brainard