Manifest Destiny
Westward Expansion
California Gold Rush of 1849
http://www.eyewitnesstohistory.com/californiagoldrush.htm
http://www.coloma.com/gold/gold-rush.php
http://www.malakoff.com/gorh.htm
http://www.parks.ca.gov/?page_id=1081
http://www.calgoldrush.com/part1/01overview.html
Farming and Ranching
http://www.opb.org/programs/oregonstory/farming/timeline.html
http://imnh.isu.edu/digitalatlas/geog/explore/expand.pdf
http://www.enviroliteracy.org/nehmod/WestwardExpansion-FINAL.pdf
Docs Teach - National Archives Activities