""Iron Ores: Their Occurrence, Valuation And Control"" is a book written by Edwin Clarence Eckel in 1914. The book provides a comprehensive overview of iron ore, including its occurrence, geological formation, and methods of extraction. It covers the different types of iron ore, such as hematite, magnetite, and limonite, and their physical and chemical properties. The book also discusses the valuation of iron ore deposits and the economic factors...