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Computer Controlled Interlocking Equipment

File information
Filename:	10423.jpg
Album name:	admin / Union Railroad (Pittsburgh, Pa)
Filesize:	294 KiB
Date added:	Dec 21, 2011
Dimensions:	2048 x 1549 pixels
Displayed:	170 times
URL:	http://rrsignal.com/photos/displayimage.php?pid=1904
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