Curated OER
Educational Technology Clearinghouse: Maps Etc: United States, 1845
A map of the United States in 1845 after the Louisiana Purchase, the Lewis and Clark Expedition, and the annexation of Texas. The map is color-coded to show the States and territory of the United States west to the Pacific with the dates...
Curated OER
Etc: Acquisition of Territory, 1783 1884
A map from 1885 of the United States showing the territorial growth from the original States and the Northwest Territory in 1783 to the Russian cession of Alaska in 1867. The map is color-coded to show the progression from the original...
Curated OER
Etc: Maps Etc: The Territory of the United States, After April 30, 1803
A map of the United States in 1803 showing the extent of the territory after the Louisiana Purchase from France. The map is color-coded to show the possessions of the United States, Great Britain, and Spain at the time, and shows the...
Curated OER
Etc: Territorial Acquisitions of the United States, 1783 1900
A map from 1920 of the United States and its territories between 1783 and 1900 showing the nation's expansion and date of acquisition of each new territory or possession. The map is color-coded to show the progression from the original...
Curated OER
Etc: Maps Etc: The Result of the Missouri Compromise, 1821
A map of the United States in 1821 showing the results of the Missouri Compromise of 1820 over the issue of prohibition of slavery. The map is coded to show the areas of the Free States, the Slave States, the Michigan Territory as Free...
Library of Congress
Loc: Teachers: Journeys West
A series of lessons utilizing primary texts, including narratives, photographs, and maps, through which students explore the following question: "What motivated thousands of people to journey west during the 1800s?"
Pennsylvania Historical and Museum Comission
Explore Pa History: Lewis and Clark in Pennsylvania
Discover the role Lewis and Clark played in history of Pennsylvania in this detailed account. Contained within this site are links to video, maps, and pictorial images of this era.
Curated OER
Perry Castaneda Map Collection: Admission of States and Territorial Acquisitions
Here's a map to show you when states were added to the Union. It also shows territories and when they were acquired.
Curated OER
Etc: Texas Controversy and Territorial Adjustment, 1836 1850
A map of the western United States between 1836 and 1850 showing the Texas controversy and territorial adjustments at the time. The map is color-coded to show the unorganized territory of the Louisiana Purchase and the boundary line with...
Digital History
Digital History: Pathfinders
Read a brief description of the Lewis and Clark Expedition and the Pike Expedition which sought to map out the newly acquired Louisiana Territory.