Use this as your main link:

http://www.internet-catalyst.org/projects/WWHO/wwho.html

Resources and Map Collections:

Library of Congress Map Collections
http://lcweb2.loc.gov/ammem/gmdhtml/

Panoramic Maps
http://lcweb2.loc.gov/ammem/pmhtml/panhome.html

Oregon Trail: ISU
http://www.isu.edu/~trinmich/Oregontrail.html

Narcissa and Marcus Whitman Trip to Oregon
http://www3.pbs.org/weta/thewest/wpages/wpgs620/whitman0.htm

American Local History Network: Oregon Trail
http://www.teleport.com/~sflora/ortrail.htm

The American WEST
http://www.AmericanWest.com/
 

Women of the West
http://www.wowmuseum.org/

The Wild WEST
http://members2.gotnet.net/rcbusman/

African Americans Traveling WEST
http://www.pbs.org/wgbh/aia/part4/4nar

Yahooligans WESTWARD MOVEMENT
http://www.yahooligans.com/Around_the_World/Countries/United_States/History/Westward_Movement/

Thinkquest Site for Westward Movement
http://tqjunior.thinkquest.org/6400/
Pioneering
http://lcweb2.loc.gov/ammem/umhtml/umhome.html

Buckaroos in Paradise - modern day cowboys
http://lcweb2.loc.gov/ammem/ncrhtml/crhome.html

End of the Oregon Trail
http://www.teleport.com/~eotic/

Sites along the Oregon Trail