|Click for High Resolution TIFF from the LOC|
It's unclear to me if the coke ovens described in the US Census 1880 Special Reports on Petroleum, Coke, and Building Stones, Volumes 1-2 diagram of Cambria Iron Company's Coke Ovens is accurate but below is a diagram from that report:
|Click here to go to Google Scanned Report|
Additionally the above report has diagrams of coal washers of the time period see pages 76&77
All pretty sophisticated for the day! What I believe to be one of the most important structures is the one dedicated for the Bessemer process.
Finally if you'd like to check out a very coarse georeferenced version of the above map in Google Earth please click on the caption of the below image:
|Click Here for KMZ file of the above Image|