[Washington, D. C., New York] Pub. jointly by Carnegie Institution of Washington and the American Geographical Society of New York, 1932.
2 p. leave, iii-xv p., 1 leave, 162 p., 1 leave, 688 maps (part col.) on 166 plates (part double) 37 cm.
A collection of maps, cartograms, and reproductions of early maps on many different scales, illustrating the natural environment of the United States and its demographic, economic, political, and military history. The text explains the maps and lists the sources from which they were compiled.