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/grand-canyon-national-park/
This primary source comes from the Records of the U.S. Fish and Wildlife Service.
National Archives Identifier: 166705448
Full Citation: Grand Canyon National Park; ca. 1998 – 2011; Photographs from the National Digital Library, ca. 1998 – 2011; Records of the U.S. Fish and Wildlife Service, Record Group 22; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/document/grand-canyon-national-park/, March 30, 2026]
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