This coke oven was the first in line on the left in the photo below and is
still next to Whyel Road.
The remaining coke ovens and gob piles are shown in this Google aerial
photo.
The PRR branch headed south to Yukon. Most of the railbed is easily
traced.
Moving south to the Yukon gob pile and ballfield, you can see
where the Upper Whyel branch crossed the Sewickley Creek then joined the Yukon Branch.