University of Oregon
Mapping History Project: Missouri Compromise: 1820
Interactive map showing free states and territories and slave states and territories before and after the Missouri Compromise of 1820. Click on the map to choose before or after and the key. Shockwave required.
Curated OER
Educational Technology Clearinghouse: Maps Etc: The Missouri Compromise, 1820
A map of the United States at the time of the Missouri Compromise of 1820. The map is keyed to show the free states by State Action, the free Northwest Territory by the Ordinance of 1787, the free territory north of the Compromise Line,...
Nebraska Studies
Nebraska Studies
A large site that tracks the history of the Nebraska area begins with the formation of the earth, moves through the earliest human activity in Nebraska, and then through proto-historical and historical Nebraska. The Kansas-Nebraska Act,...
Curated OER
Educational Technology Clearinghouse: Maps Etc: United States, 1821
A map of the United States and territories in 1821 after the Missouri Compromise, showing the Free States and territories, the Slave States and territories, and the transitional territories at the time. The map is color-coded to show the...
Curated OER
Educational Technology Clearinghouse: Maps Etc: The United States, 1821
A map of the United States and territories showing the westward expansion after the Missouri Compromise (1820) and the admission of Missouri into the Union in 1821.