"643.738"^^ . "Tyson Wash"@en . . . . "80467.2"^^ . . . . . "Tyson Wash is one of the larger eastern-bank dry washes that enter the Colorado River in western Arizona. It drains the La Posa Plain south-to-north and is also coincident with the Plain, (southern two thirds).Tyson Wash is the southwest drainage of a pair of drainages, the other being the Bouse Wash Drainage."@en . . .