This notebook was begun during January 1890. Most of the entries are by Edison. There are also some entries by an unidentified assistant. The book contains lists of mines, mainly in North Carolina, but also in Georgia, the New England states, and the Great Lakes region. Among the ores noted are gold, copper, and iron. Also included are notes by Edison to surveyors Samuel G. Burn, Arthur C. Payne, and Charles J. Reed regarding mining regions in the northeastern United States. The front cover is labeled \"#585.\"" The inside front cover is inscribed \""#585 T A Edison Jan 4. 90.\"" The pages are unnumbered, and the book has been used in both directions. Approximately 70 pages have been used."