Where in Y-town is this yard? I never really railfanned that area, as it tends to be not quite safe at night... Or most times of day, as well..
Hemi, It's the East side of Y-town not far from Struthers and the old P&LE Gateway yard. In this old photo, the same yard is between the white smoke and the river: http://www.trainboard.com/railimages/data/773/YYyytown.jpg The yard in the foreground is gone, so is all of the steel mill buildings : (