Scope and Content Correspondence (many telegrams and mailgrams) and receipts re construction of Aliso St. Viaduct (1940)Blueprint "Union Pacific Railroad Company, South Central District, Addition to freight shed A at Aliso & Myers Str, Los Angeles, Calif." (undated)Blueprint showing plan and profile of freight shed A (undated) Blueprint elevations and cross section of freight shed A (undated) Blueprint "typical lintel details, typical section thru endwalls...