Indiana University
Us Steel Gary Works Photograph Collection
This resource presents the harsh realities of the U.S. steel production heritage.
Country Studies US
Country Studies: Carnegie and the Era of Steel
Brief biographical information of Andrew Carnegie and his rise to power in the steel industry.
Wikimedia
Wikipedia: Iron Ore
Wikipedia provides a description of iron ore, where it can be found, and how it is used in the making of steel.
Other
Hognosesam: Production of Ferrous Metal
This site describes how pig iron is produced and then refined into cast iron or steel.