1874 Statistical Map - Parents of Foreign Birth 9th census by Francis Walker

16 x 22" folio from Francis Walker's important Atlas of 1874. Academia & Chromolithography of the finest order present these unusual statistical maps with data from the 1870 census. Specific and accurate, reinforced by the technology of state of the art printing for 1874 and still among the finest ever produced. This map covers Americans with Parents of Foreign Birth in 1870 . Showing within the US using shading through printing to conceptualize the data, which is inclusive of data & numbers relating to persons enslaved from the 9th census . Fine condition and rare