These are photos I've taken of Chemical Trails while traveling throughout the Western & Pacific States. Many start out as thin lines, and unlike Condensation Trails, spread out to form what appear to be one of the many types of Cirrus Clouds.
The Difference between Con-trails & Chem-trails is: Con-trails Evaporate while Chem-trails spread out. Also, Chem-trails are sprayed in multiples and/or in patterns.
