Imagine that you found a skull along the bank of the Columbia River in
Washington State that turned out to be 9,500 years old? Read all about this in Mysterious Bones: the Story of Kennewick Man by Katherine Kirkpatrick. In addition to the skull, the rest of the skeleton was recovered but years of litigation ensued before scientists could study it.
Their initial finding was that Kennewick Man was not related to any living Native Americans.