In this shot you can see a normal plane going over with it’s contrail evaporating after a little while.
More information: Flickr Chemtrails Group:
Chemtrails – Predictions by Ken Welch
An Anonymous Email From An Airline Mechanic
CAUGHT IN A HUSTLE? … CHEMTRAILS
Chemtrails Are Over Las Vegas and …
CHEMTRAIL ALERT: Strange Powder Falls on Chicago
Date Taken: 2006-01-06 16:28:42