Mar 13, 2015 - < --Previous Up Next–> World’s Columbian Exposition, 1893 Official Directory W. B. Conkey, Printer Souvenir Map of the World’s Columbian Exposition at Jackson Park and Midway Plaisance, Chicago, Ill, U.S. A. 1893 Compiled and drawn from actual official data by Hermann Heinze, Chief Draughtsman, Surveys and Grades Department, World’s Columbian Exposition Assisted by: D.H. Roberts, H.M. Schnepff, […]