yes I think you may be right, but to make sure i have contacted MR customer service and asked about it.
The only think I have seen about that layout was the Download from Kato
Download
Don't know if MRR ever did an article on it.
hi, i am interested in the manning oaks n scale layout, I have been trying to locate it in the Model railroader Magazine but have no luck, does anyone know of what issue it was in?