Simms Island is a former marsh island in San Francisco Bay.[2] It is in Marin County, California; Its coordinates are 37°57′33″N 122°30′18″W / 37.95917°N 122.50500°W[1], and the United States Geological Survey (USGS) gave its elevation as 13 ft (4.0 m) in 1981.[1] It appears as an island on a USGS map in 1897;[3] it is labeled in a 1954 map, but fully connected to the mainland.[4]
Simms Island Simms Island Simms Island | |
Geography | |
---|---|
Location | Northern California |
Coordinates | 37°57′33″N 122°30′18″W / 37.95917°N 122.50500°W[1] |
Adjacent to | San Francisco Bay |
Highest elevation | 13 ft (4 m)[1] |
Administration | |
United States | |
State | California |
County | Marin |