This pair of maps track the development of the state of Missouri. Both are divided into counties and show towns and cities, roads, and rivers. The first map predates the Platte Purchase of 1836, with the area between the state's northwestern border and Missouri River left blank. Bounty Lands appear in the northwest section of the state, around Chariton County. The later map, published circa 1848, reflects the 1843 delineation of counties and features more details than the earlier map, including significantly more towns and counties, including the lands acquired in the Platte Purchase, as well as additional topographical detail. The land beyond the state's western border is named Indian Territory whereas on the earlier map it is called Missouri Territory. Very little is known about the history and editions of Greenleaf's atlases.

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Condition: B+

Original color. The first sheet is lightly toned and both have binding holes along their top edges.