The roster for the museum is quite large, and after the recent re-organization is still being compiled. as far as rolling-stock here is what i can pull of the top of my head.
boxcars # 60, 70, 62, 52, 56, 57, 54, 67, 51
flanger # 40
plow #2
tank car #14
passenger cars/combines #4, 12, 14, 19, 15, 15, 16, 22, 23, 24, 25, 9 (rangely), 54, 55 (5x series origionally boxcars) (2x series rebuilt from flatcars at edaville)
open cars #102, 105, 103, 106, 104
Cabooses #553, 557, 32
flat cars #601, 602 (60x series from whitinville machine works) #205 (the remains of the Elthea, still has end platforms and arrived like this from edaville)
and for locomotives/track cars/etc.
steam #3, 4, 7, 8
Diesel/gas #1, 3(crunched), 11, 12, 14, 15, 16
Vose inspection car, SRRL railbus, farimont speeder
This isn't intended to be a complete list but does represent the majority of the collection. I will try to update this as i remember more...