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A little over ten years earlier Extra 3369 East drops down grade at Cosnino on October 31, 1977. This is train 741 out of Phoenix. During the late 60s and through the 70s, the Phoenix trains used GP30s and GP35s. This made it easy for the yard at Phoenix to replace the GP30s and GP35s it used for switching and on the locals out of Mobest Yard. Cosnino is at milepost 333. Disk 69