Mills Interlocking         
UP-CN Diamond. the UP "Spine Line" goes top left to bottom right, the CN goes top righ to bottom left.
Date: 7/14/2008 Location: Iowa Falls, IA Views: 264 Collection Of:   Matt Hagfors
Author:  Matt Hagfors
Mills Interlocking
Picture Categories: This picture is part of album:  Boone IA trip.
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