Lost Steel Plants of the Monongahela River Valley

Journey through the complicated economic and environmental history of the steel industry in The Mon. Perfect for fans of the history of American industrialization. Pittsburgh's Monongahela River is named after the Lenape Indian word Menaonkihela , meaning where banks cave and erode . The name is fitting: for over a century, these riverbanks were lined with steel plants and railroads that have now caved and eroded away. By the 1880s, Carnegie Steel was the world's largest manufacturer of iron, st