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For many years the west side of the pass was single track with passing sidings. In 1980, the Santa Fe added a second main between Mountainair and Scholle. This is train 971 (Extra 5593 East) on October 30, 1977. Disk 61
About an hour later I caught hot piggyback train 991 (Extra 8737 East). It was a slow morning to catch only two trains in the span of three hours.