This great double-page chart shows the major rivers and mountains of the world, and is divided diagonally in an interesting composition. In the upper portion, scores of rivers are named and drawn to indicate their relative lengths. The lower half of the sheet features stylized renderings of the mountains organized by continent and drawn to indicate their relative heights. Volcanoes are shown erupting and major cities are shown at their respective elevations. The map is surrounded by Colton's distinctive scroll-style border. A large thematic map.

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Condition: B

There is light toning that is more pronounced along the centerfold and some dampstaining along the top sheet edge. A number of small edge chips and edge tears at top and bottom have been repaired on verso with archival tissue.