 The Port was called El Embarcadero up until at least the 1880s; the U.S. Army Corps of Engineers dredged of a channel between 1886 and 1889, to yield a channel wide.In 1903, the Corps increased the channel width to and by 1911, they broadened it to .In 1931, local and federal interests combined to deepen the channel to and widen it to , for a lineal distance of .