Keywords: Plat of Northern Part of Rancho San Antonio.jpg Plat map of the Northern Part of the Rancho San Antonio in California in present day Alameda County Northern California Finally confirmed by U S to Vicente and Domingo Peralta cartographic material containing 19 143 86/100 acres c February 1858 - December 1859 http //content cdlib org/ark /13030/kt8489q9hh/ order 3 February 1858 - December 1859 surveyed under instructions from the U S Surveyor General by James T Stratton Dep Surveyor PD-USGov Old maps of California 1859 Maps of Alameda County California Rancho San Antonio Peralta |