American Geographical Society Special Publication No. 11. A grey linen-covered slip-case (with the usual gilt titles on black label of the American Geographical Society to the front) containing the two maps and a fifty-page accompanying booklet, stapled and paper covered. Condition: The slipcase is sound, but soiled, with some blotchiness to the label. The pamphlet is rubbed along the edges of the front cover, but otherwise very good. The maps are clean, sound and entire.