This is an insurance photo for a shifted load at Avella Pa, on the P&WV , on March 27th 1937, per the P&WV Hiline website. There are two gons involved and I would say the shifted loads are most likely steel, not aluminum. Here are some links:

http://www.thepwvhiline.com/WreckDerailmentsandDamage/Metal_Coils_At_Avella_001_Web.html