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5 A B C D E F G H I J K L M N O P Q R S T U V W Y Z
Ha Hb Hc He Hi Hm Ho Hr Hs Ht Hu Hw Hy
Hub Hud Hum Hun

HUMP

by Metro Digital Resources Librarian • April 14, 2016

A portion of a freight yard which has a grade to permit cars to roll into classification tracks without being shoved by a locomotive.

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