geo.wikisort.org - Island
The Holland Tract is an island in the Sacramento–San Joaquin River Delta.[2][3] It is part of Contra Costa County, California, and managed by Reclamation District 2025.[4][5] [6] [7] [8] [9] Its coordinates are 37°59′55″N 121°36′08″W[1], and the United States Geological Survey measured its elevation as 7 ft (2.1 m) in 1981.[1] It appears on a 1952 United States Geological Survey map of the area.[10]
 Sheep roaming the Holland Tract in 2021. | |
  Holland Tract  Holland Tract  Holland Tract | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 37°59′55″N 121°36′08″W[1] |
| Adjacent bodies of water | Sacramento–San Joaquin River Delta |
| Highest elevation | 7 ft (2.1 m)[1] |
| Administration | |
United States | |
| State |  California |
| County | Contra Costa |
References
- U.S. Geological Survey Geographic Names Information System: Holland Tract
- California State Automobile Association (2007). Coast and Valley: Bay Area to Southern California (Map). 1:560,000. American Automobile Association.
- California State Automobile Association (1999). San Francisco Bay Region (Map). 1:190,000. American Automobile Association.
- "Countywide Reclamation Services: Municipal Service Review/Sphere of Influence Update (2nd Round) – FINAL" (PDF). Contra Costa Local Agency Formation Commission. 18 November 2015. Archived (PDF) from the original on 1 March 2017. Retrieved 25 February 2021.
- "Bond Men Visit Phillips Company's Island Holdings". The Evening Mail. Stockton, California. 1913-01-11. p. 6. Retrieved 2021-11-18 – via Newspapers.com.
- "King Bean In The Ascendency". Stockton Daily Evening Record. Stockton, California. 1913-02-25. p. 7. Retrieved 2021-11-18 – via Newspapers.com.
- "More islands submerged in Delta floods". The Berkeley Gazette. Berkeley, California. 1980-02-22. p. 1. Retrieved 2021-11-18 – via Newspapers.com.
- "Milder Storm Due For North State; Beleaguered Delta Area Eyes Relief". The Sacramento Bee. Sacramento, California. 1980-02-23. p. 3. Retrieved 2021-11-18 – via Newspapers.com.
- "New flood threatens East Bay water lines". The Berkeley Gazette. Berkeley, California. 1980-10-23. p. 5. Retrieved 2021-11-18 – via Newspapers.com.
- United States Geological Survey (1952). "Woodward Island Quadrangle, California" (Map). United States Department of the Interior Geological Survey. 1:24000.
Map: Islands of Suisun Bay and the Sacramento–San Joaquin River Delta | |
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 Rough and Ready  (islands of the San Francisco Bay Area) |
San Francisco Bay watershed | ||
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