The 90 ft turntable is still in use to move equipment in and out of the roundhouse bays used for repair and restoration.
The Eire Lackawanna was created in 1960 by the merger of the Eire with the Lackawanna.
I have marked up a Googlemaps screen shot showing the entrance from Lakawanna Ave. marked with a red arrow.
There is so much to see I could have easily spent the whole day there and really hope to be able to do that some day. It is well worth the stop even if you only have a couple of hours like I did.