Uploaded December 2021 | Updated September 2026, 2 weeks ago

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This film contains silent footage of airplanes taking off, showing visible engine emissions. Film was labeled "Air Pollution, Laramie, Wyoming, 23 July 1971." (Color, silent.)

Copyright UCAR.

This project was supported by a Recordings at Risk grant from the Council on Library and Information Resources (CLIR). The grant program is made possible by funding from The Andrew W. Mellon Foundation. | This project was also supported by the UCAR President's Strategic Initiative Fund.

INFO B26 059