National Geographic : 1932 Apr
THE PLAN OF SAN FRANCISCO, ITS BUSINESS SECTION AND WHARVES, AS SEEN FROMAN ALTITUDE OF10,000 FEET At the upper right is the Golden Gate. Just to the left of it is the Presidio, a United States Army reservation and post. Thrust outinto theBay, like the square ends of cogs on a great wheel, are piers which provide more than 17/ miles of berthing space. To theright oflower center rises theclock tower of the historic Ferry Building (see page 420). The oblong black area in the upper left is Golden Gate Park (see page 418), with thePacific Ocean beyond.