geo.wikisort.org - Island
The Jones Tract is an island containing Lower Jones Tract and the Upper Jones Tract in the Sacramento-San Joaquin River Delta, fifteen kilometres west of Stockton. The 4,900 ha (12,000 acres) island is bounded on the north by Empire Cut, on the northeast by Whiskey Slough, on the southeast by Trapper Slough, and on the west, Middle River. The tracts are bifurcated by the parallel running Mokelumne Aqueduct, West Lower Jones Road, and a railroad originally built by the Achison Topeka and Santa Fe Railroad, which now carries freight trains of the BNSF Railway and Amtrak California's San Joaquin. It is in San Joaquin County, and managed by Reclamation District 2039.[1] It appears on 1913 and 1952 United States Geological Survey maps of the area.[2][3]
 USGS aerial imagery of the tract. | |
  Jones Tract  Jones Tract  Jones Tract | |
| Geography | |
|---|---|
| Location | Northern California |
| Coordinates | 37.937158°N 121.486473°W |
| Adjacent bodies of water | Sacramento-San Joaquin River Delta |
| Area | 12,000 acres (4,900 ha) |
| Administration | |
United States | |
| State |  California |
| County | San Joaquin |
2004 levee failure
On 3 June 2004, the Upper Jones Tract levee near Woodward Island failed, inundating the entire island with more than 150,000 acre⋅ft (190,000,000 m3) of water. The island, which lies 3 metres below sea level, required three weeks to repair the breach, and an additional five months for de-watering after the pumps were shut down on 18 December 2004.[4] The levee failure resulted in approximately $90 million in repairs. [5]
See also
References
- "Municipal Service Review: Selected San Joaquin County Reclamation Districts" (PDF). San Joaquin Local Agency Formation Commission. E Mulberg & Associates. 18 March 2018. Retrieved 24 February 2021.
- Marshall, R.B.; Gerdine, T.G.; Hannegan, Duncan; Lewis, J.L. (1913). "Topography, State of California: Woodward Island Quadrangle". United States Geological Survey. Archived from the original on 5 April 2020. Retrieved 25 February 2021.
- United States Geological Survey (1952). "Woodward Island Quadrangle, California" (Map). United States Department of the Interior Geological Survey. 1:24000.
- Michael Mierzwa and Bob Suits (October 2005). "Chapter 3: Jones Tract 2004 Levee Break DSM2 Simulation" (PDF). Methodology for Flow and Salinity Estimates in the Sacramento-San Joaquin Delta and Suisun Marsh 26th Annual Progress Report. California Department of Water Resources: 3-2. Retrieved 2009-09-25.
- "Levee Failure in The Sacramento-San Joaquin River Delta" (PDF). California Department of Water Resources. Retrieved 11 May 2015.
External links
- U.S. Geological Survey Geographic Names Information System: Upper Jones Tract
- U.S. Geological Survey Geographic Names Information System: Lower Jones Tract
Map: Islands of Suisun Bay and the Sacramento–San Joaquin River Delta | |
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San Francisco Bay watershed | ||
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