Mildred Island is a submerged island in the San Joaquin River delta, in California.[2][3] It is part of San Joaquin County. It flooded in 1983, and the land was abandoned.[4] Its coordinates are 37.9863117°N 121.5230069°W / 37.9863117; -121.5230069 (Mildred Island)[1]. It appears on 1913 and 1952 United States Geological Survey maps of the area.[5][6]
USGS aerial imagery of Mildred Island; the only part that remains above water is its levees. | |
Mildred Island Mildred Island Mildred Island | |
| Geography | |
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| Location | Northern California |
| Coordinates | 37.9863117°N 121.5230069°W / 37.9863117; -121.5230069 (Mildred Island)[1] |
| Adjacent bodies of water | Sacramento–San Joaquin River Delta |
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United States | |
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| County | San Joaquin |

Map: Islands of Suisun Bay and the Sacramento–San Joaquin River Delta | |
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