1880-09-22, La Ilustración Española y Americana, Ferro-carril de Barcelona á Valls, Túnel de la Falconera en las costas de Garraf, cuya perforación se terminó el 11 del corriente, Manuel Nao, 22 September 1880
Railway from barcelona to valls, falconera tunnel on the coast of garraf, whose drilling was completed on the 11th of this month (sketch by d. A. Rigalt. Date: 22 September 1880.
