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I don't know if there is anything more impressive than a long heavy train struggling against gravity to conquer a mountain grade. The reverberation of the diesels from the canyon walls is music to any railfan. This Utah Railway IPPX coal train has engines 9148, 9143, 6608, and 9149 on the point with helper engines 9147, 6613, 9145, 9150, and 9142 cut in about two-thirds back. Disk 32