PICTURE CREDITS
Figure [1].—Museum photo 25370 [2].—Museum photo 2720 [3].—Museum photo 23554 [4].—Museum photo 43102 [5].—Museum photo 43130 [6].—Museum photo 16534 [7].—Museum photo 43586-B [8].—Museum photo 16048 [9].—Museum photo 31975 [10].—Museum photo 43076-B [11].—Museum photo 43076 [12].—Museum photo 30571-A [13].—Museum photo 32367-E [14].—Museum Chaney photo 24478 [15].—Photo courtesy Baltimore and Ohio Railroad Co. [16].—Museum photo 43054-A [17].—Photo courtesy Baltimore and Ohio Railroad Co. [18].—Museum photo 13225-B [19].—Museum photo 43586 [20].—Photo courtesy Redwood Library [21].—Photo courtesy Southern Railway System [22].—Museum photo 43054 [23].—Museum photo 25012-B [24].—Museum photo 43076-A [25].—Museum photo 43060 [26]-[27].—Photos from Chaney collection [28].—Museum photo 31959-A [29].—Museum photo 14293 [30].—Museum photo 34328 [31].—Museum photo 29759-A [32].—Museum photo 16538 [33].—Museum Chaney photo 8810 [34].—Museum photo 21243-C [35].—Museum Chaney photo 13758 [36].—Photo courtesy Pennsylvania Railroad Co. [37].—Museum photo 23552 [38].—Museum Chaney photo 1429 [39].—Museum Chaney photo 1457 [40].—Museum Chaney photo 13528 [41].—Photo courtesy Baltimore and Ohio Railroad Co. [42].—Museum photo 32097-A [43]-[45].—Photos courtesy Baltimore and Ohio Railroad Co. [46]-[47].—Photos courtesy Chicago and North Western Railway System [48].—Museum Chaney photo 20295 [49].—Photo courtesy Baltimore and Ohio Railroad Co. [50].—Museum photo 43094 [51].—Museum photo 43182 [52].—Museum Chaney photo 13799 [53].—Museum photo 43083 [54].—Museum photo 30457 [55].—Museum Chaney photo 13538 [56].—Photo courtesy Reading Co. [57]-[58].—Photos courtesy University of Maine [59].—Photo courtesy Baltimore and Ohio Railroad Co. [60].—Museum Chaney photo 10314 [61].—Museum photo 26977-B [62].—Museum photo 30397 [63].—Museum photo 43299 [64].—Museum photo 26981-B [65].—Museum photo 26974-A [66].—Museum photo 26899-A [67].—Museum photo 43598 [68].—Museum photo 43299-E [69].—Museum photo 43297 [70].—Museum photo 26847-H [71].—Museum photo 43298 [72].—Museum photo 43298-A [73].—Museum photo 43298-B [74].—Museum photo 43299-A [75].—Museum photo 42272 [76].—Museum photo 43299-B [77].—Museum photo 43299-C [78].—Museum photo 43299-D [79].—Museum photo 43297-A [80].—Museum photo 43293 [81].—Museum photo 43297-B