McMorran was general manager of the Port Huron and Northwestern Railway from 1878 to 1889 and a member of the State canal commission.
Train service began in 1882 with the construction of track by the Port Huron and Northwestern Railroad.
In addition the PH&NW operated three branch lines: Sand Beach, which was a continuation of the original Croswell line and ran up the Lake Huron coast; Port Austin, which split from "Sand Beach" at Palms and went through Bad Axe before reaching the northern tip of the Thumb; and Almont, which ran due west from Port Huron.
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