This letterbook covers the period March-May 1897. Most of the correspondence is by Walter S. Mallory, vice-president of the company. The letters deal mainly with personnel matters, building renovations, equipment, and supplies. Included are letters relating to iron ore prices, the proper method of heating briquettes, and comments on making briquettes with Mesabi ore. Other items pertain to the value of Edison Ore Milling Co. stock, the choice of insurance carriers, and work done for the New Jersey Zinc Co. The book contains 497 numbered pages and an index. Approximately 5 percent of the book has been selected. Courtesy of Thomas Edison National Historical Park.