1929. C.S. Hammond & Company. Includes partial index on verso.; Numerical index of railroads.; Inset: Portion of Minnesota (Cook County).; "From: Hammond's Loose Leaf Atlas - 6t... C.S. Hammond & Co (New York).
1927. C.S. Hammond & Company. Includes partial index on verso.; Numerical index of railroads.; Insets: Portion of Minnesota (Cook County).; "From: Hammond's Loose Leaf Atlas - 6... C. S. Hammond (New York).