Differential Grinding of Alabama Iron Ores for Gravity Concentration William Hawes Coghill Published: 1940 Total Pages: 10 Get eBook
Investigation of Simon & Coles Manganese Deposit Bedford County, Pa W. H. Kerns Published: 1948 Total Pages: 228 Get eBook
Materials Survey, Iron Ore; May 1956 United States. Mines Bureau Published: 1956 Total Pages: 360 Get eBook
Survey of World Iron Ore Resources: Occurence, Appraisal and Use United Nations. Committee of Experts on Iron Ore Resources Published: 1955 Total Pages: 384 Get eBook