The one dated entry in this notebook is from July 1901. The book was used by Edison and John V. Miller for notes about mines and mineral rights. Miller's notes pertain to published geologies and mining reports primarily in regard to surveys in Connecticut, New Jersey, New York, and North Carolina. There are a few notes about other North American locations. The entry by Edison is undated and describes mineral deposits in Haywood and Jackson counties, North Carolina. The entry also mentions the work of Dr. Ebenezer Emmons, former state geologist of North Carolina. The cover and spine are labeled "Nickel Deposits." The pages are unnumbered; only 14 pages have been used.