Poop, see if you can find a copy of "Railpace" magazine's August issue. There's a big article about the WNY&P and the "why's and wherefore's" of their operations. Basically the trains run as needed, there's no set schedules or what power's going to be on the train. It might be a help to you if and when you go back.
6002 looks great in what are basically Erie colors, which I haven't seen since I got a picture of an EL RS3 in similar colors in 1969.
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