Includes both incoming and outgoing correspondence, which was primarily generated by or for company officers and/or directors. It covers a wide variety of topics such as Tonopah's stock investments, legal disputes with stockholders, sale of company equipment, insurance for the company's Nevada property, cash reports, and the banks in which the company had its accounts. There is correspondence between the company's officers and its auditors and attorneys retained to to provide services and advice. Additional ongoing correspondence includes annual reports to the board and officers and correspondence from the general superintendent for the company in Nevada.