Postmarked 1912; Grassy Island Lighthouse was built in 1849 (and rebuilt in 1881) on Grassy Island which is located west of Fighting Island and north of Grosse Isle on the American side of the Detroit River near Wyandotte, Michigan; John Bryan was the light keeper from 1884 until his death in 1903; "The Detroit River can proudly boast of having the best equipped river and lake excursion steamers in the World. Over 9,000,000 excursionists arrive and depart on these boats more than all the other Lake Ports combined"; the postcard is addressed to Miss Sarah Davis; during the 1960s to 1980s, the island became a disposal facility for dredged toxic sediment.