![](http://www.alamy.com/thumbs/6/7F1EA64B-5E01-4645-A510-DE2D4B0885E4/D5FMDK.jpg)
Blast furnaces and iron ore at the Carnegie-Illinois Steel Corporation mills, Etna, Pennsylvania (LOC)
Size: 1246px × 1604px
Photo credit: © PF-(bygone1) / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1900, 1900s, 1941, alfred, alfredtpalmer, archive, blastfurnace, carnegie, carnegiesteel, congress, corporation, county, cowpers, dc:identifier=, dc:identifier=httphdllocgovlocpnpfsac1a35057, erie, eriecounty, etna, historic, historical, historicalphoto, history, illinois, illinoissteelcorporation, industry, iron, library, libraryofcongress, mills, palmer, pennsylvania, photo, photograph, pittsburgh, steel, steelindustry, steelmills, vintage, xmlns:dc=, xmlns:dc=httppurlorgdcelements11