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Sunday, March 9, 2025
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Kevin Morgan
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North Yard
Denver, CO
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108 (Add a Comment)
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Yard Shots
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Union Pacific
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A couple decades ago, UP had so many units on the roster that they were in danger of running out of 4-digit numbers. Thus, they came up with a new reporting mark: UPY. It stands for "Union Pacific Yard Units". One example is this GP15-1, numbered UPY 618. It was originally a Missouri Pacific unit, delivered in September 1979.
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