13 feet of global warming

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2 Responses to 13 feet of global warming

  1. briand75 says:

    Cool as can be! I have always wanted to see one of these in action. Thank you Fred!

  2. Fred Stiening says:

    Image of (Norfolk) Southern Hump yard control panel

    From https://youtu.be/3Sow8O1_ZNA

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