Gallery: Scientists Finally Find and Map San Francisco's Most Famous Shipwreck
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An NOAA team has mapped three shipwrecks at San Francisco's Golden Gate, the *City of Rio de Janeiro*, *City of Chester*, and *Fernstream*.
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The 3D map of the *City of Rio de Janeiro* shows the ship's bow, stern, and broken hull.
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The entrance to the San Francisco Bay is not an easy passage: Rough currents, rocks and shoals, and heavy traffic have led to hundreds of shipwrecks.
Robert V. Schwemmer/NOAA04entrance-to-golden-gate-robert-v.-schwemmer
The *City of Rio de Janeiro* struck the rocks of Fort Point, on the left, and sank on February 22, 1901.
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The *City of Rio de Janeiro* was built by John Roach & Son in 1878, and transported passengers and cargo between Asia and San Francisco.
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During the Spanish American War, it was used to carry troops to the Philippines.
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When the ship sank in February 1901, only 82 of the 210 passengers survived, most of them Chinese and Japanese emigrants.
