"On November 6, 1826, H.M.S. Blossom, commanded by Frederick William
Beechey, sailed into the Golden Gate to begin a visit that was more productive
scientifically than that of any previous expedition to Northern California.
. ."
(Note: this is one of two maps included in the article. The other covered
the entire San Francisco Bay.)
Source: Lincoln, A. The Beechey Expedition
Visits San Francisco. Pacific Discovery. January-February 1969: 1, 6.
