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SP train EUWCY (Extra 9066 East) passes ATSF train 849 (Extra 5636 East) on November 25, 1977. The Santa Fe train has engines 5636, 4660, 8770, and another GE U33C.
About a half hour later the Mojave Flyer comes by with UP3062 on the point. The Santa Fe train will pick up cement loads at Monolith and the dispatcher wanted to get the SP trains around it before it began its work. Disk 47