 USGS aerial imagery of the island. | |
  Quimby IslandShow map of Sacramento-San Joaquin River Delta Quimby IslandShow map of California Quimby IslandShow map of the United States | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 38°01′31″N 121°34′17″W / 38.0251993°N 121.5713413°W / 38.0251993; -121.5713413 (Quimby Island) |
| Adjacent to | Sacramento–San Joaquin River Delta |
| Area | 789 acres (319 ha) |
| Length | 2.25 mi (3.62 km) |
| Highest elevation | −10 ft (-3 m) |
| Administration | |
| United States | |
| State |  California |
| County | Contra Costa |
Quimby Island is a small island in the Sacramento–San Joaquin River Delta, whose coordinates are 38°01′31″N 121°34′17″W / 38.0251993°N 121.5713413°W / 38.0251993; -121.5713413 (Quimby Island). It is in Contra Costa County, and managed by Reclamation District 2090.
References
- ^ U.S. Geological Survey Geographic Names Information System: Quimby Island
- "New Floods Sweep Valleys". Oakland Tribune. Oakland, California. 1938-02-14. p. 1.
- "Thor Kofod Buys Quimby Island For $34,000". Contra Costa Gazette. Martinez, California. 1943-12-04. p. 1.
- "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 23 February 2021.
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