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Old Stone Quarry
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 Photo courtesy of Door County Museum and Archives
and W.C. Schroeder

Leathem & Smith Quarry-men-horse 1893.jpg

 Photo courtesy of Door County Museum and Archives
and W.C. Schroeder

History of the Leathem and Smith Quarry

The Leathem and Smith Quarry, established in the late 19th century in Sturgeon Bay, Wisconsin, played a pivotal role in the region's industrial growth. Founded by entrepreneurs Leathem D. Smith and Thomas H. Smith, the quarry became a significant source of high-quality limestone, which was in demand for construction and infrastructure projects across the Midwest.​
 

Strategically located along the shores of Green Bay, the quarry's proximity to water allowed for efficient transportation of stone via ships, enhancing its reach to various markets. The limestone extracted was renowned for its durability and aesthetic appeal, making it a preferred choice for building foundations, roads, and other structures during that era.​
 

Beyond its industrial contributions, the quarry had a profound impact on the local community. It provided employment opportunities, attracting workers and their families to Sturgeon Bay and fostering economic development in the area. The influx of laborers led to the growth of neighborhoods, schools, and businesses, shaping the social fabric of the town.​

Actual video footage from the Laethem Smith Quarry in 1938

An Era of Innovation: A Legacy on the Great Lakes

Stone That Built the Midwest

​The Leathem and Smith Quarry in Sturgeon Bay, Wisconsin, was a significant supplier of limestone and crushed stone for various construction projects across the Midwest. The quarry's products were instrumental in building harbors along Lake Michigan, with millions of tons used for harbor improvements. Additionally, the stone was utilized in constructing roads, railroad beds, and concrete structures. Notably, the stone formed the foundation of Chicago's Lake Shore Drive and its waterfront seawall. The quarry's strategic location along Green Bay facilitated efficient shipment of these materials to various destinations via the Great Lakes.​

Maritime Mastermind: Leathem Smith's Legacy of Innovation

​Leathem D. Smith, a prominent figure in Sturgeon Bay's maritime industry, introduced significant innovations that transformed shipbuilding and shipping practices. In 1920, he patented the Tunnel Scraper System, a self-unloading mechanism for ships that streamlined the unloading process from days to mere hours. This system utilized dragline scrapers in ship hold tunnels to move bulk cargo onto conveyor belts leading to the dock, enhancing efficiency and increasing cargo capacity by occupying less space than previous equipment. ​During World War II, Smith's shipyard was instrumental in producing vessels for the U.S. Navy, including cargo ships, tankers, and frigates. At its peak, the yard employed approximately 5,000 workers and maintained a remarkable delivery rate of one ship every 20 days.

Beyond shipbuilding, Smith was a pioneer in developing standardized shipping containers, which facilitated more efficient cargo handling and transport. His advocacy for the creation of the St. Lawrence Seaway further underscores his commitment to advancing maritime trade and infrastructure.

 

Smith's legacy endures in Sturgeon Bay, with institutions like The Lodge at Leathem Smith and the continued prominence of the local shipbuilding industry serving as testaments to his innovative spirit and lasting impact.

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