AFE 23945, Susquehanna Mine, Minnesota, 1914. Construct Spur Track 4775 Feet Long and Three Yard Tracks Each 1500 Ft Long, Remove Present Spur 5072 Ft Long. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $28343. Series I. Lines East. Mesabi Division. Other Subject Categories: Track, Industry