As someone who lived in this area, I am also interested in this topic.
A map, circa 1934, lists a freight station (space for 2 cars), car repair facility(2 tracks, 28 cars), team track (1) for 6 cars and the yard itself (14 tracks, 625 car capacity).
There is no roundhouse or engine shed listed.
By 1956 the yard was still active, but was being used mostly for storage - mainly auto frame gondolas.
I was unable to determine where the car repair facility might have been located, but perhaps southeast of the tracks and W. 150th street grade crossing. There were some sheds and brick structures there.
Not mentioned was a scale and scale house which was located just northwest of the W. 150th street grade crossing.
The 150th street crossing watchman's shanty was still there, also the yard office.
Further to the northeast I found the freight house, water tank, and water column. Those disappeared about 1958 and is now the site of the Lorain-W. 143rd transit station.
Early maps show a passenger station on the opposite side of the tracks from the freight house. That disappeared probably well before 1930.
A 1914 map shows a wye southeast of the tracks, about where John Marshall High School was later located. I am intrigued by the wye and why it was located there. Perhaps it was used to turn locomotives for local train service between there and downtown Cleveland.
The team track would have been southwest of the tracks adjacent to the W. 150th street grade crossing. All I saw there was a small coal unloading facility, office, and garage.
Locomotives approached the yard from the northeast on the main line and entered the yard via a crossover. I never saw a locomotive lay over there or receive any service. Often there would be a couple of cabooses parked opposite the yard office.
I have black and white photos of all these taken in 1957.
If any one has more information about any of these features, especially the wye, I would be delighted to hear about them.
Modeling the NYC of the 1950s