Island No. 1 (formerly called Cross Island)[2] is a partially submerged island in the Napa River, upstream of San Pablo Bay (an embayment of San Francisco Bay).[3][4][2] It is in Napa and Solano County, California, and parts of it are managed as part of the Napa-Sonoma Marshes Wildlife Area.[5][6] Its coordinates are 38°08′35″N 122°20′40″W / 38.14306°N 122.34444°W[1], and the United States Geological Survey measured its elevation as 3 ft (0.91 m) in 1981.[1] It, along with Island No. 2, Green Island and Tubbs Island, are labeled on a 1902 USGS map of the area.[7]
![]() Island No. 1, submerged in March 2023 (as seen from the northern part of an internal levee, looking south). | |
Geography | |
---|---|
Location | Northern California |
Coordinates | 38°08′35″N 122°20′40″W / 38.14306°N 122.34444°W[1] |
Adjacent to | Napa River |
Highest elevation | 3 ft (0.9 m)[1] |
Administration | |
United States | |
State | ![]() |
County | Napa and Solano |
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Island_No_1%2C_USGS_map_CA_Cuttings_Wharf_289711_1949_24000.png/220px-Island_No_1%2C_USGS_map_CA_Cuttings_Wharf_289711_1949_24000.png)
![Aerial image of an island.](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/NASA_Worldwind%2C_USGS_imagery_map%2C_Island_No._1%2C_California.png/220px-NASA_Worldwind%2C_USGS_imagery_map%2C_Island_No._1%2C_California.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Napa_River_in_Vallejo.jpg/220px-Napa_River_in_Vallejo.jpg)
References
edit- ^ a b c d U.S. Geological Survey Geographic Names Information System: Island No. 1
- ^ a b "Vallejo Proposes New Road To Bay Via San Rafael". The Sacramento Bee. Sacramento, California. May 18, 1921. p. 20.
- ^ California State Automobile Association (1999). San Francisco Bay Region (Map). 1:190,000. American Automobile Association.
- ^ "Salt plant will involve expenditure of $3,500,000". The Napa Valley Register. Napa, California. May 14, 1952. p. 16.
- ^ "Directional Map Napa-Sonoma Marshes Wildlife Area". California Department of Fish and Wildlife, Bay Delta Region. May 2019. Archived from the original on April 23, 2020. Retrieved February 26, 2021.
- ^ URS Corporation (May 2019). "Napa-Sonoma Marshes Wildlife Area Land Management Plan". California Department of Fish and Game. Retrieved February 26, 2021.
- ^ Goode, R.U.; Fletcher, L.C. (1902), Topography, State of California: Woodward Island Quadrangle, United States Geological Survey