Coplay Cement Company Kilns
http://www.cr.nps.gov/nr/travel/delaware/cop.htm
National Register of Historic Places Travel Itinerary
Referenced in:
A Diversity of Industries
First Cement
Coplay Cement Company Kilns
http://www.cr.nps.gov/nr/travel/delaware/cop.htm
National Register of Historic Places Travel Itinerary
Referenced in:
A Diversity of Industries
First Cement