The Escondido Sub formerly served one of the larger railroads in the United States that was chartered in what year?
Escondido Sub: The Escondido Sub in North County region of San Diego County, is a 22-mile branch line between Oceanside, California and Escondido, California. Escondido Sub:  The line formerly served Santa Fe trains, with passenger trains operating until 1946. Atchison, Topeka and Santa Fe Railway:  Chartered in February 1859, the railroad reached the Kansas-Colorado border in 1873 and Pueblo, Colorado, in 1876.
i don't know