Curated OER
Etc: The Territorial Growth of the United States, 1783 1853
A map from 1911 of the United States showing the territorial growth from the original States and the Northwest Territory in 1783 to the Gadsden Purchase of 1853. The map is color-coded to show the progression from the original thirteen...
Curated OER
Etc: The Territorial Growth of the United States , 1783 1853
A map from 1894 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
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: The United States, 1850
A map of the United States in 1850, showing the frontier line, indicate by the thick black line. The map shows the States added to the Union between 1840 and 1850, including Florida (1845), Texas (1845), Iowa (1846), Wisconsin (1848),...
Curated OER
Etc: Expansion of the United States , 1783 1853
A map from 1904 of the United States showing the territorial acquisitions up to the Gadsden Purchase in northern Mexico in 1853. The map is coded to show the territory of the original United States and the Northwest Territory defined by...
Curated OER
Etc: Expansion of the United States, 1783 1853
A map from 1904 of the United States showing the territorial acquisitions up to the Gadsden Purchase in northern Mexico in 1853. The map is coded to show the territory of the original United States and the Northwest Territory defined by...
Curated OER
Etc: Expansion of the United States, 1783 1853
A map from 1912 of the United States showing the territorial acquisitions up to the Gadsden Purchase in northern Mexico in 1853. The map is color-coded to show the territory of the original United States and the Northwest Territory...
Curated OER
Etc: Maps Etc: Admission of States to the Union, 1899
A map from 1899 of the United States showing the growth of the nation from the original States in 1783 to the admission of Utah into the Union in 1896. The map shows the Northwest Territory claimed at the end of the American...
Curated OER
Etc: The Territory of the United States, 1846 1848
A map showing the territory of the United States after the annexation of Texas in 1845, and the acquisition of the Oregon Country by treaty with Great Britain in 1846. The map is color-coded to show the possessions of the United States,...
Curated OER
Etc: Territorial Growth of the United States, 1783 1853
A map from 1907 of the United States showing the growth of the nation from 1776-1853. This map is coded to show the thirteen original states, and the territories acquired in 1783, by the Louisiana Purchase in 1803, the northern...
Curated OER
Etc: Territorial Development of the United States, 1783 1889
A map from 1889 of North America showing the expansion in the region of the United States from the original Thirteen Colonies at the end of the Revolutionary War in 1783 to the time the map was made, around 1889, before the territories...
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
National Park Service: San Antonio Missions
Read the history of the chain of missions established along the San Antonio River in the 18th century. Links to features of these missions can be found here as well.
Ed Koday
Web Archive: Io Moth
The Io moth, named for a character in Greek mythology, has a very obvious black eyespot on each hindwing. Males are golden yellow in color, but females are more brown. It has a wingspan of 2.5-3.5 inches. In Canada and northern states,...
Ed Koday
Web Archive: Luna Moths
Luna moths are one of the most unusual and beautiful of the North American moths known as Saturnidae. They are well known for their green-yellow colors and long tails,and although they are often seen in pictures, they are a real surprise...
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
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: The Louisiana Purchase, 1803 1809
A map of the United States and the Louisiana Territory showing boundary disputes and boundary claims between 1763 and 1809. The map shows the natural boundaries and extent of the original Louisiana Territory claimed by the French, the...