Curated OER
National Park Service: Californio to American: A Study in Cultural Change
This site has a lesson about the ranching industry, creation of California towns and the changes over time. Contains information, inquiry question, historical context, maps, readings, and images.
University of California
Antillians: The Growth of Slave Trade
Easy-to-read, colorful maps that show the triangular slave trade routes from 1451 to 1870.