It was a September morning in 2020, and Deni Seymour, an archeologist, was searching for artifacts along the Santa Cruz River near Nogales. She had been exploring the area a few months, looking for ...

Why had it been left behind? First, Seymour had to establish where it had been left behind. The Coronado Expedition crossed from Mexico into what is now Arizona in 1540 and traveled to what would ...

Why had it been left behind? First, Seymour had to establish where it had been left behind. The Coronado Expedition crossed from Mexico into what is now Arizona in 1540 and traveled to what would ...

Archeologist Deni Seymour and Daniel Preston, a member of the Tohono O’odham Nation. The Coronado Expedition crossed from Mexico into what is now Arizona in 1540 and traveled to what would ...

The expedition returned to Mexico in 1542, without the riches it had hoped to find. When Seymour first started exploring the area, she thought it was merely an overnight encampment. But then she ...