By deed.

The deed was hunting.

The evidence was left inside a bone.

And the bone held it for thirteen thousand nine hundred years, until the science finally caught up to read what it had been preserving all along.

Carl Gustafson And The Excavation He Spent Decades Defending

It would be wrong to tell the Manis story without spending more time on the archaeologist who excavated the site and spent decades defending findings that the scientific mainstream was slow to accept.

Carl Gustafson was an archaeologist at Washington State University when Emanuel Manis contacted him about the bones unearthed by the backhoe on the mink farm near Sequim.