Richardson Island facts for kids
USGS aerial imagery of the former location of Richardson Island
|Coordinates||37°56′12″N 122°31′04″W / 37.93667°N 122.51778°W|
|Adjacent bodies of water||San Francisco Bay|
|Highest elevation||16 ft (4.9 m)|
Richardson Island is a former marsh island in the Sacramento–San Joaquin River Delta, now completely surrounded by land. It is located in Marin County, California. Its coordinates are 37°56′12″N 122°31′04″W / 37.93667°N 122.51778°W, and the United States Geological Survey gave its elevation as 16 ft (4.9 m) in 1981.
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