Niles, OH: Pennsy "Detour" Tower and "Bonna" Junction

Detour: (Satellite, according to the track diagram and aerial photo below.)

Bonna: (Satellite, a connector to the B&O tracks used to fork off here.)

Darren Reynolds posted three images with the comment:

Conrails ( Ex-PRR) 

"Detour" tower 

Niles, Ohio

Jacqueline Crandall Fafrak: Hot metal trains ran through here in the early 80s.

Gerald Wills: The go to area once they decimated the EL.

Tim Shanahan shared

1

2

Niles Junction is near the left and the depot is right of center.

3

1954 Girard and 1959 Warren Quads @ 24,000

Apr 9, 1970 @ 24,000; AR1VCLH00020203

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Bonna Junction

I thought that this tower was at Bonna Junction. It is somewhere else.

Gerald Wills commented on a post
A bad ektachrome slide scan, but lasted into the early 1980's.

Josh Cohen: It was joint/trackage rights from Ravenna to Niles junction with prr and B&O.

Tom Barnett: And NYC trackage rights for a half dozen thru freights.

Dennis DeBruler: Tom Barnett So a NYC engineer would have to learn the rule book for PRR and B&O as well as NYC?

According to that track diagram, the tower was between the fork in the tracks and the Mahoning River on the north side of the tracks. But I can't find it. Yet Gerald's photo indicates it should still exist in 1970. Then I noticed that there is not a tower symbol on the track diagram. So I think Gerald's photo is further west of here after the Pennsy joins the B&O in Niles Junction.

Apr 9, 1970 @ 24,000; AR1VCLH00020203

Update: I found this 1950 aerial photo while doing more research on Niles Junction. I think the tower is still standing on the south side of the tracks in the upper-right corner.

Apr 27, 1950 @ 19,200; AR1KM0000020066