This great map features numerous early western territorial boundaries. Washington and Oregon Territories extend to the huge Nebraska Territory, meeting at the Continental Divide. Nebraska Territory in turn extends to the Missouri River where it borders a large Minnesota Territory. Utah Territory spans from California east to join Nebraska and Kanzas along the Rocky Mountains and Continental Divide. The very large New Mexico Territory comprises all of today's Arizona and part of Colorado. The map details the exploration routes of many expeditions including those of Marcy, Kearny, Fremont, etc., and locates the Santa Fe Trail and the Oregon Trail. It is filled with watershed information, scores of forts, Indian lands, and more. Surrounded by Colton's signature strap-work border. The map is hand colored in outline, which is very unusual for this issue.

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Condition: B+

Fine example that has original hand coloring in outline only, crisp impression and very wide margins. Centerfold toned.