Jim it caught my interest becaues it was taken this month and the fellow who took it and it's location is about 15 miles from where I live . Here's another interesting shot !!http://www.rr-fallenflags.org/misc-d/dlwr400783sma.jpg
The plow belongs to the Depew, Lancaster and Western, an industrial railroad around Buffalo (part of the Genesee Valley system), and the E-unit does indeed belong to the Medina museum.