The New International Encyclopædia/Presidio

PRESIDIO (Sp., garrison, guard) of San Francisco (Cal.). A United States military post, established in 1850, and comprising a reservation of 1480 acres in the suburbs of San Francisco and on the southern border of its harbor. It was originally a Spanish military post, was continued as such by Mexico, and eventually (1848) ceded to the United States. It has long been an artillery post, and in 1902 had quarters for 30 officers and 500 men.