The S. A Mitchell firm published this map, both in wall and folding pocket format, from 1843 to 1850.  It is considered a highly important work of mid 19th century American cartography.  Through its multiple issues historians can follow the rapidly changing national and domestic political borders.  This particular map dates to 1845.  This map was drawn by J. H. Young and engraved by H. H. Brightly.  Includes numerous features from an inset map of Maine’s northern boundary as defined by the Treaty of 1842 to thirty-two inset city plans.  City plans include, among others, Raleigh, North Carolina; Richmond, Virginia; Louisville and Frankfort, Kentucky; Springfield, Illinois; Indianapolis, Indiana; St. Louis, Missouri; Rochester, New York; New Haven and Hartford, Connecticut; Burlington, Vermont; Providence, Rhode Island; Portland, Maine.  A detailed table located below the title cartouche relations populations statistics for every county in each state or territory. Dated and copyrighted 1845.
<bdi><a href="https://en.wikipedia.org/wiki/en:Samuel_Augustus_Mitchell" class="extiw" title="w:en:Samuel Augustus Mitchell"><span title="American geographer and publisher">Samuel Augustus Mitchell</span></a>
</bdi>
1845 (dated)
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