Granite Island Lighthouse, Lighthouse in Marquette County, US
Granite Island Lighthouse is a historic structure built from granite blocks with white limestone trim on corners and windows. The site consists of a keeper's residence, a bell tower, and the light tower, which together formed a working maritime station.
The station began operation in 1869 and helped ships carrying copper and iron ore navigate safely through Lake Superior. The light was a critical reference point for the mining trade in this region.
The lighthouse reflects maritime traditions that shaped this region. Its design shows how people once lived and worked to guide ships safely through the waters.
The site is located on an island accessible only by boat, and visiting is subject to certain conditions. Before planning a trip, check whether tours are available and what access restrictions apply.
A nearby university now uses the island as an Internet relay station and operates a weather monitoring facility there. This modern scientific use shows how historical sites continue to serve important functions.
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