 This place was later called "Fork of the Road" where the Old Spanish Trail or from 1849, the "Southern Route" of the California Trail or the Mormon Road to Salt Lake City, divided from what came to be the Mojave Road to the Colorado River.Now consolidated the Old Spanish Trail then followed the Mohave's trail along the Mojave River but instead of crossing over the mountains into San Bernardino Valley they followed a new route Armijo called "Cañon de San Bernardino" from the upper Mojave River west through Cajon Pass and down Crowder Canyon and Cajon Canyon, known to the vaqueros of the San Bernardino de Sena Estancia who had come to their aid with food.The land was taken from Mexico by the US in 1848 following the Mexican–American War.