San Diego and Arizona Railway Surveyors called the San Diego and Arizona Railway (SD&A) "The Impossible Railroad" because of its jagged, mountainous, and brutal desert route. The financier and driving force behind building this binational 148-mile rail connection to the east from San Diego, California, was businessman John D. Spreckels. Because of his perseverance, the jinxed 1907-1919 construction overcame a series of dis Full description