I enjoyed presenting for the group in Bureau County last night (29 March) in Princeton, Illinois. Based upon conversations I had with a few attendees, I have posted the following links here as they were asked about and I either could not remember them or was not certain.
WW2 Enlistment search at the National Archives
http://aad.archives.gov/aad/series-description.jsp?s=3360&bc=sd
Genealogy in the United Kingdom and Ireland
http://www.genuki.org.uk/
Cyndislist--Migrations
http://www.cyndislist.com/migration.htm
Erie Canal
http://www.history.rochester.edu/canal/
http://www.eriecanal.org/