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On page 31 of the subject publication, there's a photo of NYC Class
H7e #1969 at Middle Yard, Mt. Carmel, IL in April 1943. It's on the
point of a train of empty tank cars, and the yard is is filled with
other tank cars. It's a high angle shot from some distance, so it's
not particularly good for details, but it conveys the subtle variety
of tank cars in WWII oil trains.