Dedham Branch

Actually, just looked at Historic Aerials web site again and it does appear closer to other end of mall. I don't know what to make of that since I could have sworn I saw it to my left nearer to incinerator road.

Here is where it was:

Thanks for the picture. I used to the mall to go to work through the Bradlees entrance. Maybe saw it from there. This clarifies the location for me. Thanks again.