Correspondence, legal papers, financial records, reports, newspaper clippings, and other papers relating to the operation of the company. Includes letters relating to the appointment of Lewis Wolfley as Territorial Governor of Arizona; financial estate papers of the Fulford family of Maryland; and legal materials relating to challenges to the San Rafael de la Zanja land grant, 1885-1895; lists of stockholders; and livestock branding and pedigree records. Correspondents include Colin and Brewster Cameron, Alexander Fulford, and other members of the company.