|Title:||The Connellsville coke regions: Their past, present, and future,|
The Connellsville coke regions Their past, present, and future
Connellsville: , 
|Publication Info:||Pittsburgh: University of Pittsburgh, Digital Research Library
This work is believed to be in the public domain with no known restrictions on access and use.
The Connellsville coke regions: Their past, present, and future,