Original drawing released into the public domain by Pearson Scott Foresman.
http://commons.wikimedia.org/wiki/File:Cloud_seeding_(PSF).jpg

Tags: media, clip_art, public_domain, image, png, svg, plane, airplane, aeroplane, aircraft, cloud, seeding, weather, modification, clouds, rain, sketch, outline, line_art, art, line, drawing, black, white, water, bomber, plane, airplane, aeroplane, aircraft, cloud, seeding, weather, modification, clouds, rain, sketch, outline, line_art, art, line, drawing, black, white, water, bomber