1. Guide map of Chicago Yale Public content 1868. 2008-07-28T18:59:37Z. 2023-03-17T21:36:24Z. Blanchard, Rufus, 1821-1904, cartographer, publisher. Published by Rufus Blanchard, 146 Lake St.,Lith. Chas. Shober & Co. English. cartographic image. Public. Chicago (Ill.).