Search results
Results from the WOW.Com Content Network
And the Wolf Finally Came: The Decline of the American Steel Industry (1988) excerpt and text search; Hogan, William T. Economic History of the Iron and Steel Industry in the United States (5 vol 1971) monumental detail; Ingham, John N. The Iron Barons: A Social Analysis of an American Urban Elite, 1874-1965 (1978) Krass, Peter. Carnegie (2002).
In the 20th century, the US industry successively adopted the open hearth process, then the basic oxygen furnace. Since the American industry peaked in the 1940s and 1950s, the US industry has shifted to small mini-mills and specialty mills, using iron and steel scrap as feedstock, rather than iron ore.
A history of technology: vol 4: The Industrial Revolution c 1750–c 1860 (1960) ch 4, and vol 5: The Late Nineteenth Century, c 1850–c 1900, ch 3; online at ACLS e-books Archived 2006-11-30 at the Wayback Machine; Stoddard, Brooke C. Steel: From Mine to Mill, the Metal that Made America (2015) short, global popular history excerpt
Iron ore was the third-highest-value metal mined in the United States, after gold and copper. [2] Iron ore was mined from nine active mines and three reclamation operations in Michigan, Minnesota, and Utah. Most of the iron ore was mined in northern Minnesota's Mesabi Range. Net exports (exports minus imports) were 3.9 million tons.
The Allamoore-Van Horn silver-mining district in Hudspeth County and Culberson counties was discovered in 1880, and mined intermittently. Silver and copper were mined from Precambrian igneous and sedimentary rocks. No reliable production figures are available. [32] Silver mineralization was discovered in 1880 or 1881 in Presidio County, Texas.
The Monongah Mining Disaster was the worst mining accident of American history; 362 workers were killed in an underground explosion on December 6, 1907, in Monongah, West Virginia. The U.S. Bureau of Mines was created in 1910 to investigate accidents, advise industry, conduct production and safety research, and teach courses in accident ...
The second map shows a partition of the counties into 12 regions of Texas, as defined by the Texas comptroller. The table, further below, reports currently listings by county, updated frequently. [a] Regions are defined by the Texas State Comptroller, who has partitioned the state into 12 regions for economic performance reporting, as shown here.
Texas counties by GDP in 2021 (chained 2012 US$) The economy of the State of Texas is the second largest by GDP in the United States after that of California. It has a gross state product of $2.694 trillion as of 2023. [7] In 2022, Texas led the nation with the most companies in the Fortune 500 with 53 in total. [8]