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...
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: The Us at the Outbreak of the Civil War, 1860 1861
A map of the United States at the outbreak of the Civil War (1860-1861) showing the States that seceded to form the Confederate States of America. The map also shows the territorial boundaries of the Washington Territory, Dakota...
Smithsonian Institution
Smithsonian: Textiles of the North American Southwest
This site explores the weaving traditions of the Native American and Hispanic peoples of northern Mexico and the southwestern United States. A gallery of artifacts, timeline, map glossary, and textual descriptions are included. This is a...
Wikimedia
Wikipedia: Pacific Ring of Fire
Wikipedia offers information on the location of the Pacific Ring of Fire, an area of frequent earthquakes and volcanic eruptions. Map included.