View of west-bound tube of Detroit River tunnel. Railroad tracks extend through tunnel. Printed on front: "West bound tube Detroit River tunnel subaqueous section, through which Michigan Central trains run. Detroit, Mich." Printed on back: "No.264." Handwritten on back: "Dear friends, I am glad to have met you and I did enjoy the careful driving of Mr. Clements. I am much better this a.m. Mr. Young was tired and hated to go on to Jackson last night. Sincerely yours, Mrs. Young." Card is postmarked October 7, 1912.
