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by | Mar 16, 2018 | Hosta

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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 gives its elevation as 79 ft (24 m).[1]

  • USGS survey map (1:62500 scale) from 1897.
    USGS survey map (1:62500 scale) from 1897.
  • USGS survey map (1:24000 scale) from 1954.
    USGS survey map (1:24000 scale) from 1954.
  • An aerial photo taken in 2013, looking toward the east.
    An aerial photo taken in 2013, looking toward the east.

References

  1. ^ a b c d U.S. Geological Survey Geographic Names Information System: Silva Island
  2. ^ "Vignette > Silva Island – Mill Valley Historical Society".
  3. ^ "Marin commission rejects tighter regulations on seaplane business". August 28, 2017.
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