Report of the Sonora Exploring & Mining Co. Made to the Stockholders
Report of the Sonora Exploring & Mining Co. Made to the Stockholders (Cincinnati: Railroad Record Print, 1857), selected pages. The company was chartered in Ohio in 1857 and capitalized at $2 million dollars. It was run by a mixture of Jewish and non-Jewish German immigrants including Nathan B. Appel. The company mine, the Heintzelman, was located in a remote region and the company failed to turn a profit.