 He carried out feasibility studies for the mine "La Dificultad".It was in Real del Monte where his sons Juan Pablo Aldasoro and Eduardo Aldasoro Suárez, Air Pilots members of the Early Birds of Aviation were born.During the last stages of General Díaz, he became Underminister of Promotion (Subsecretario de Fomento) whilst Don Bias Escontria was the Minister.