These sites explore the history of the Western Movement along the Oregon and California trails.
Mission Mill Museum (www.missionmill.org) Mission Mill Museum Association is a not-for-profit established to educate, and to interpret and preserve the history of the Willamette Valley and Oregon's Textile Industry.
Oregon-California Trails Association (octa-trails.org) If you have ever thought about throwing all of your possessions into the back of your car and heading out for parts unknown, you already know the feeling that propelled hundreds of thousands of emigrants westward in the 19th century.
Oregon Trail 101 (oregontrail101.com) Oregon Trail 101 has an introduction to the Oregon Trail.