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
Educational Technology Clearinghouse: Maps Etc: Treaty With Spain, 1819
A map of the western United States and northern Mexico showing the territorial disputes settled and boundary established by the Adams-Onis Treaty between the United States and Spain in 1819. The territorial disputes involved the natural...
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.
Ducksters
Ducksters: Montana State History for Kids
Students can learn about the history and timeline of the state of Montana including early explorers, Native Americans, Louisiana Purchase, and becoming a state on this website.
Ducksters
Ducksters: South Dakota State History for Kids
Kids learn about the history and timeline of the state of South Dakota including early explorers, Native Americans, Louisiana Purchase, Wounded Knee, and becoming a state.
Ducksters
Ducksters: North Dakota State History for Kids
Kids explore the history and timeline of the state of North Dakota including early explorers, Native Americans, Louisiana Purchase, and becoming a state on this site.
Ducksters
Ducksters: Missouri State History for Kids
Kids learn about the history and timeline of the state of Missouri including early explorers, Native Americans, Louisiana Purchase, Gateway to the West, and the Civil War on this site.
Curated OER
Etc: Routes of Lewis and Clark, 1804 1805
A map of western North America showing the routes of exploration by Meriwether Lewis and William Clark (1803-1806), and Zebulon Pike (1806-1807). The map shows the newly purchased Louisiana Territory, the Indian Territory east of the...
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...