SAN DIEGO, a city, port of entry, and county-seat of San Diego co., Cal.; on San Diego Bay, and on the Atchison, Topeka and Santa Fé, the Los Angeles and San Diego Beach, the San Diego and Arizona, and the San Diego and Southwestern railroads; 120 miles S. E. of Los Angeles. Next to San Francisco, its harbor is considered the finest on the Pacific coast. No milder or more uniform climate is to be found, and this has made the city one of the most popular health resorts in the United States. Here are a United States custom house, public library, Academy of Our Lady of Peace (R. C.), street railroad and electric light plants, National, State, and private banks, and several daily, weekly, and monthly periodicals. The Army and Navy Departments have large tracts on the bay frontage for coaling stations and fortifications. The city has machine shops, foundry, furniture factories, fertilizer works, salt works, carriage and wagon factories, flour and planing mills, etc. The first Mission in California was founded here in 1769, and the city was laid out in 1867. The monument on the Mexican boundary, La Jolla cave, Sweetwater dam, and the San Diego Mission are objects of interest. Pop. (1910) 39,578; (1920) 74,683.