Airplane Alert Antenna in World Trade Center Rubble
Contemporary United States (1968 to the present)
A National Archives Foundation educational resource using primary sources from the National Archives

View the full document here: https://docsteach.org/document/spraying-fertilizer/
This primary source comes from the Records of the Environmental Protection Agency.
National Archives Identifier: 553881
Full Citation: Spraying Fertilizer; 5/1972; Records of the Environmental Protection Agency, Record Group 412. [Online Version, https://docsteach.org/document/spraying-fertilizer/, December 13, 2025]
Rights: Public Domain, Free of Known Copyright Restrictions. Learn more on our privacy and legal page.