They were old. No historical pottery scatter at all. One of the rings still carried the juniper cribbing of the roof, though it had fallen. In the desert juniper can endure for hundreds of years.
The hogan’s door did not face east as is traditional, because the ring had been built against a sandstone slab; however, the north wall did appear to have been knocked out, customary ritual to release the spirit of a dead person.
The corral had been formed ingeniously by piling cedar to wall up the ends of a cleft formed when a fallen slab split in two.