Quarrying in The Arroyo Seco
By 1901 a spur track had been laid into the Arroyo Seco near Devil's Gate for the purpose of quarrying rock for the construction of the Los Angeles Harbor breakwater. By 1903 the trans-Altadena service was abandoned and the rails were pulled up. It took decades for the bordering properties to assume the abandoned right-of-way, and to this day slight traces of where the rail line passed through can be sleuthed out.
Read more about this topic: Los Angeles Terminal Railway