Scope and Content Blueprint "Chart showing train operation at present SP station with total train movement of 200 trains per day, density of traffic increased relative to present operation" (1920) Blueprint "Estimate Cost of Grade Crossing Elimination on the East Bank of the Los Angeles River," includes estimates for track depression and viaducts at N. Main Street, Macy Street, Aliso Street, First Street, Fourth Street, Seventh Street, and Ninth Street (undated) "Estimated cost of...