The Briones Valley is a major geological feature of Contra Costa County, California and runs between Mount Diablo and the county seat of Martinez. Also, it is the seat of many riparian watersheds, especially of Alhambra Creek.[1]

37°54′50″N 122°12′30″W / 37.91389°N 122.20833°W / 37.91389; -122.20833[1]

References

  1. ^ a b "Feature Detail Report for: Briones Valley". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.


Categories