Stock certificates [4] issued by and to Arthur Havens, March 1880, for shares of The Consolidated Mining Co. of Seven Mines, Custar County, Colorado [Arthur Havens, President], Box: 1, Folder: 7. Papers of Arthur B. Havens, RH MS 49. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/18860 Accessed December 26, 2024.