Cambria Iron Company, Steel mill in Johnstown, United States
Cambria Iron Company is a former iron and steel works in Johnstown, Pennsylvania, built along the banks of the Conemaugh and Little Conemaugh rivers. The site covered several production zones spread across the river valley, and its structures are now listed on the National Register of Historic Places and recognized as a National Historic Landmark.
The company was founded in 1852 and supplied iron and steel to the Union Army during the Civil War, which helped it grow rapidly in the years that followed. By the late 19th century it had become one of the largest steel operations in the country, before gradually closing down in the 20th century.
The old blacksmith shop at the Lower Works now houses the Center for Metal Arts, where visitors can take metalworking classes using traditional techniques. The building itself still shows traces of its industrial past, with heavy timber frames and worn brick walls.
The site is located in Johnstown and is best reached by car, as public transport options in the area are limited. If you plan to visit the Center for Metal Arts at the Lower Works, it is worth checking in advance whether classes or tours are available, as they can vary by season.
Cambria Iron Company was among the first plants in the United States to adopt the Bessemer process, a method that transformed how steel was made on a large scale. It also ran one of the earliest blooming mills in the country, which made it possible to roll large amounts of steel in a single pass.
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