![20161011](https://www.trains.com/wp-content/uploads/2020/10/20161011.jpg)
Pennsylvania class L1 Mikado No. 26, trailing an additional tender for extra water capacity, heads a train of empty coal hoppers west out of Renovo, Pa., in September 1955. Under PRR’s unorthodox numbering system, the 574-member L1 fleet ranged from No. 2 to No. 8636.
Philip R. Hastings photo