![Baltimore and Ohio Railroad engine no. 5217 passing Wabash Railroad switcher no. 640 at Detroit, Michigan. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-005-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4657%2F39797386934_99ba923f96_h.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 5217 passing Wabash Railroad switcher no. 640 at Detroit, Michigan. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-005-02
![Westbound Baltimore and Ohio Railroad engine no. 5557 at crossing in Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-005-04](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4677%2F39797386634_9e709f562f_h.jpg&h=310&q=90&f=.jpg)
Westbound Baltimore and Ohio Railroad engine no. 5557 at crossing in Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-005-04
![Baltimore and Ohio Railroad engine no. 5303. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-006-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4614%2F39612220755_76821843a8_h.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 5303. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-006-02
![Baltimore and Ohio Railroad engine no. 4330. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-007-03](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4719%2F26636624338_57e0de543e_h.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 4330. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-007-03
![Baltimore and Ohio Railroad engine no. 5317. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-008-01](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4651%2F26636624068_c9a4316638_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 5317. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-008-01
![Westbound Baltimore and Ohio Railroad engine no. 6179 at crossing near Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-085-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4603%2F39612215605_c2e784a517_b.jpg&h=310&q=90&f=.jpg)
Westbound Baltimore and Ohio Railroad engine no. 6179 at crossing near Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-085-02
![Westbound Baltimore and Ohio Railroad engine no. 5564 at Auburn, Indiana. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-01](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4604%2F39612215025_17cde493b9_h.jpg&h=310&q=90&f=.jpg)
Westbound Baltimore and Ohio Railroad engine no. 5564 at Auburn, Indiana. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-01
![Baltimore and Ohio Railroad engine no. 4412. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4719%2F38697368450_0e07605bbc_b.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 4412. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-02
![Eastbound Baltimore and Ohio Railroad freight train with I-5 caboose no. C2149 at Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-03](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4697%2F39612213855_eba5689de8_h.jpg&h=310&q=90&f=.jpg)
Eastbound Baltimore and Ohio Railroad freight train with I-5 caboose no. C2149 at Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-03
![Eastbound Baltimore and Ohio Railroad engine no. 4602 at Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-04](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4721%2F38697367620_8c71976955_h.jpg&h=310&q=90&f=.jpg)
Eastbound Baltimore and Ohio Railroad engine no. 4602 at Fostoria, Ohio. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-03-116-04
![Baltimore and Ohio Railroad's <i>Capitol Limited</i> engine no. 5309 at Roselle Park, New Jersey, in 1937. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-04-072-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4765%2F39612212545_c86eabe090_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad's Capitol Limited engine no. 5309 at Roselle Park, New Jersey, in 1937. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-04-072-02
![Baltimore and Ohio Railroad engine no. 7602 (2-8-8-4) in Cumberland, Maryland, on July 8, 1948. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-04-129-04](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4706%2F38697366680_ae57f4337b_h.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 7602 (2-8-8-4) in Cumberland, Maryland, on July 8, 1948. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-04-129-04
![Baltimore and Ohio Railroad engine no. 7605 (2-8-8-4) at Grafton, West Virginia, on September 16, 1947. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-04-130-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4762%2F26636621118_c02ff77121_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 7605 (2-8-8-4) at Grafton, West Virginia, on September 16, 1947. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-04-130-02
![Baltimore and Ohio Railroad engine no. 7527 (2-6-6-2) at Riker, Pennsylvania in 1948. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-05-099-01](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4714%2F39612211325_2d750a4e0f_h.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 7527 (2-6-6-2) at Riker, Pennsylvania in 1948. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-05-099-01
![Baltimore and Ohio Railroad engine no. 657 in 1958. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-016-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4704%2F26636620198_817b94c1a8_h.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 657 in 1958. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-016-02
![Baltimore and Ohio Railroad engine no. 7606 (2-8-8-4) at Keyser, West Virginia, in 1949. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-098-04](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4751%2F39612209515_33c637d23e_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 7606 (2-8-8-4) at Keyser, West Virginia, in 1949. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-098-04
![Baltimore and Ohio Railroad engine no. 7619 (2-8-8-4) at Cumberland, Maryland, on September 14, 1947. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-099-02](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4625%2F40507562101_8b52680835_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 7619 (2-8-8-4) at Cumberland, Maryland, on September 14, 1947. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-099-02
![Baltimore and Ohio Railroad's <i>Lady Baltimore</i> engine no. 1 (4-4-4). Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-148-03](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4610%2F26636618698_29bab4244f_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad's Lady Baltimore engine no. 1 (4-4-4). Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-08-148-03
![Baltimore and Ohio Railroad engine no. 6142 (2-10-2) at New Castle Junction, Pennsylvania, on July 3, 1955. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-10-038-01](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4673%2F39612206495_5ba240de8b_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 6142 (2-10-2) at New Castle Junction, Pennsylvania, on July 3, 1955. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-10-038-01
![Baltimore and Ohio Railroad lineup of engine no. 6208 and no. 6217. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-10-040-01](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4765%2F26636617378_044f25589f_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad lineup of engine no. 6208 and no. 6217. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-10-040-01
![Baltimore and Ohio Railroad engine no. 5652. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-10-054-03](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4746%2F39612202005_36e1bd4281_k.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad engine no. 5652. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-10-054-03
![Baltimore and Ohio Railroad passenger train at station. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-009-04](https://railphoto-art.org/wp-content/plugins/justified-image-grid/timthumb.php?src=https%3A%2F%2Flive.staticflickr.com%2F4786%2F39685036785_6d15210bc4_h.jpg&h=310&q=90&f=.jpg)
Baltimore and Ohio Railroad passenger train at station. Photograph by Robert A. Hadley, © 2017, Center for Railroad Photography and Art. Hadley-01-009-04