Baltimore & Ohio Railroad Army trainees

Camp Harahan = Camp Plauche

Camp Harahan                                                    

759th Wiliam Herron

759th William Herron by cunningb

US Army Railroad Defies Enemy in India NYT

US Army Railroad Defies Enemy in India NYT                                                    

Korean War order of battle

729th Transportation Battalion Heraldic

US Army Rail Panama c 1920s

US Army for coastal defense, Panama City Railroad Station c. 1920-1930
Thanks, Carlos!