This folder contains correspondence and other documents relating to mines and ores to be bought, sold, worked, or tested. Among the items for 1902 is correspondence with Herman E. Dick regarding surveys for copper, nickel, and cobalt ore.

Approximately 10 percent of the documents have been selected. The material not selected consists of routine correspondence and reports dealing with the mining interests of individuals or companies who wanted to lease or sell property to Edison or have their ores tested. These items received no substantive response from Edison.