Description
Formed by damming Putah Creek at the Monticello Dam 20.8 km (13 mi) northwest of Vacaville, bound on the east by Rocky Ridge and on the west by Trout Creek Ridge and Cedar Roughs. Named by Congressional action, Public Law 494-84th congress,Ch.213, 2nd session. S3755, approved 27 April 1956. (US-T121)