Silva Island

Silva Island

An aerial photo taken in 2013, looking toward the east.
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Geography
Location	Northern California
Coordinates	37°53′15″N 122°30′54″W / 37.88750°N 122.51500°W / 37.88750; -122.51500 (Silva Island)[1]Coordinates: 37°53′15″N 122°30′54″W / 37.88750°N 122.51500°W / 37.88750; -122.51500 (Silva Island)[1]
Adjacent bodies of water	San Francisco Bay
Highest elevation	79 ft (24.1 m)[1]
Administration
United States
State	California
County	Marin

Silva Island (also De Silva Island)^[2][3] is an island in San Francisco Bay, formerly completely separated from the mainland but now mostly connected. It is in Marin County, California. Its coordinates are

37°53′15″N 122°30′54″W / 37.88750°N 122.51500°W / 37.88750; -122.51500 (Silva Island)^[1], and the United States Geological Survey gave its elevation as 79 ft (24 m) in 1981.^[1]

• 

  USGS survey map (1:62500 scale) from 1897.

• 

  USGS survey map (1:24000 scale) from 1954.

References[]