| 1. | The Detroit and Mackinac Railway (reporting marks D&M, DM), informally known as the "Turtle Line", was a railroad in the northeastern part of the Lower Peninsula of the U.S. state of Michigan.
Le Detroit and Mackinac Railway (sigle de l'AAR: DM, D&M), surnommé officieusement the Turtle Line, était un chemin de fer américain de classe I en opération dans le nord-est du Michigan. |
