DUSTING SULPHUR TO RETARD MILDEW ON GRAPEVINES. (FROM THE DOCUMERICA-1 EXHIBITION. FOR OTHER IMAGES IN THIS ASSIGNMENT, SEE FICHE NUMBERS 1, 2, 3, 4, 5.), 05/1972
From the Records of the Environmental Protection Agency (12/02/1970-)
Look at that plane go!
Source: http://go.usa.gov/TCkA









