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Simmons Island facts for kids

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Simmons Island
Sad-looking aerial photo of an island suffused with muck.
USGS aerial photo of Simmons Island
Simmons Island is located in Sacramento-San Joaquin River Delta
Simmons Island
Simmons Island
Location in Sacramento-San Joaquin River Delta
Simmons Island is located in San Francisco Bay Area
Simmons Island
Simmons Island
Location in San Francisco Bay Area
Simmons Island is located in California
Simmons Island
Simmons Island
Location in California
Simmons Island is located in the United States
Simmons Island
Simmons Island
Location in the United States
Geography
Location Northern California
Coordinates 38°05′49″N 121°59′26″W / 38.09694°N 121.99056°W / 38.09694; -121.99056 (Simmons Island)
Adjacent bodies of water Suisun Bay
Administration
State  California
County Solano

Simmons Island is a small piece of land located in Grizzly Bay, which is part of Suisun Bay in the San Francisco Bay Area of California. It's a quiet spot in Northern California, belonging to Solano County. The island is managed by a special group called Reclamation District 2127.

Grizzly-Bay-and-Pittsburg-CA
A 2015 aerial photo of Grizzly Bay taken from the southeast. You can see Simmons Island on the left, with other islands like Ryer Island and Grizzly Island nearby.

About Simmons Island

Simmons Island is found at these coordinates: 38°05′49″N 121°59′26″W / 38.09694°N 121.99056°W / 38.09694; -121.99056 (Simmons Island). It's a really small island, but it has been on maps for a long time.

Island's History on Maps

The island first appeared on a survey map in 1850. This map was made by a person named Cadwalader Ringgold. On his map, it was called "Simmons Island." A few years later, in 1854, another map was made by Henry Lange. On his map, the island was spelled a little differently, as "Simons Island." These old maps help us track how places were known in the past.

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