Download or read book Manganese Resources of the Tennessee Valley Region written by Hiram S. Rankin and published by . This book was released on 1938 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Manganese ores have been produced in five of the seven Tennessee Valley States, and deposits have been prospected and worked in at least two hundred places in those States. In spite of this widespread occurrence, only two or three districts have been consistent producers, and since the World War there have been only a few active mines.