The Online Books Page

Books by Roy T. Sorenson:

Books in the extended shelves:

• Sorenson, Roy T.: Anionic flotation of silica from geothitic iron-bearing materials, Cuyuna Range, Minn. (U.S. Dept. of the Interior, Bureau of Mines, 1963), also by Paul A. Wasson, Donald W. Frommer, and United States Bureau of Mines (page images at HathiTrust)
• Sorenson, Roy T.: Laboratory and pilot plant development of flotation procedures for fine-grained hematitic ores of Marquette Range, Michigan (U.S. Dept. of the Interior, Bureau of Mines, 1967), also by Donald W. Frommer and Cleveland-Cliffs Iron Company (page images at HathiTrust)
• Sorenson, Roy T.: The removal of iron from aluminum chloride leach liquor by solvent extraction (U.S. Dept. of the Interior, Bureau of Mines, 1981), also by Dwight L. Sawyer and Earle B. Amey (page images at HathiTrust)

Find more by Roy T. Sorenson at your library, or elsewhere.