This notebook is undated but was probably used in 1881 or 1882. It contains notes by Edison relating to the geology of various states. Most of the material was copied from published geological surveys and other published works. The label on the front cover is marked "Magnetite etc" and "Iron Sand." The book contains 280 numbered pages.
Missing page numbers: 3-8.
Blank pages: 62-280. Courtesy of Thomas Edison National Historical Park.