There are several old buildings in Kingman that were constructed with natural stone. The Bonelli House, the old court house, ...

At the very bottom of the canyon lies the Vishnu Schist, a hard rock originally deposited mainly as sediments some 2 billion years ago. The layer was subsequently covered. Around 1.7 billion years ...

It contains some of the oldest exposed rock on earth, Precambrian Vishnu schist, formed 1.7 billion years ago. Over thousands of years, the canyon has been the home of the ancient Puebloans and ...