Well-rounded Verde River cobbles overlain by poorly sorted angular locally derived clasts indicate burial of river alluvium by onlapping piedmont deposits. The lateral extent of the river deposit beneath the fan deposit is unknown.
From Cook and others, 2011, Mapping of River Alluvium Along the Verde River and Major Tributaries, Central Arizona. Online at http://repository.azgs.az.gov/uri_gin/azgs/dlio/1317 .