Granite quarry, Hancock County, ca. 1890
Item 14053 info
Maine Granite Industry Historical Society
Granite quarrying began in Maine about 1830 and grew steadily until early in the 20th century when reinforced concrete and steel became preferred building materials.
But until then, Maine was known for its granite.
The state was the leader in the value of granite produced in the United States in 1901.
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