Other
Gold Rush Chronicles: The Pony Express
At this comprehensive site, students learn about the first cross-country mail courier service in the United States, the Pony Express.
Huntington Library
Huntington Library: Land of Golden Dreams: California in the Gold Rush
A rich site on the California gold rush, 1848-1858. An online exhibit traces the gold rush using primary sources, a teacher page gives lesson plans from 4-12 and a kid's page offers further online adventures. Takes a long time to load.
Other
The Gold Rush: Gold Country
A great look at the people who made money providing services for the miners in the California Gold Rush.