For today: " Washington Terminal Co. RS 1 switch crew gets ready to do a run by inspection of a B&O commuter train pulled by a GP9. There's only two geographic places which this seen could have taken place ... one is Washington DC and the other is ... Patsburg. "
Interesting to note, the ALCO RS 1 was the inspiration for the EMD GP9. Both units here are running long hood forward which was the standard practice of the B&O. As I recall seeing the RS 1s in Washington's Ivy City engine terminal and coach yard, the majority seemed to have had their long hoods pointing north which is the direction as they would pull away passenger cars away from Union Station's 16 stub end tracks. Of course I would see on occasion an RS 1 with it's long hood pointed south. 
