December 2018

Natural ore would freeze when the temperatures dropped and required heating to loosen up in order to dump in the docks. Until the infrared heater was built in Two Harbors, this was done with steam from engines which was piped to the cars. In an early undated photograph, Duluth & Iron Rage 4-8-0 #67 is in ore thawing service at Two Harbors. MRHS Collection


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