(CARTOGRAPHY) (POST-FIRE CHICAGO) Blanchard's guide map of Chicago. Rufus Blanchard, 1872.Engraved folding pocket-map (56 x 43 cm.), which folds into publisher's lettered paper covers; street guide tipped to inside wrapper (14 pages). With full contemporary hand-coloring.A street map of Chicago, showing the city just one year after the Fire. The limits of the burnt region are outlined by a thin dotted line. The accompanying pamphlet provides index to city's streets via letter-number grid. With city's parks, public buildings, and railroads also identified.