URSUS, The Cornell Forum for Environmental Issues has particularly
good information about the ecological effects of the US campaign
in Vietnam. In particular this page written Abraham Parker,
Danielle Ogurcak & Jennifer Rice htttp://www.rso.cornell.edu/Ursus/fa99vietnam.html
Ray Smith, who served in the 1st Battalion 69th Armor, has
a very good site about his tour as well as Operation Tailwind. http://www.rjsmith.com/sog-raid.html
Jeff Drake has put together a wonderful site with
a detailed explanation of what led up to the Vietnam War at
http://www.vietvet.org/jeffviet.htm