[Identification of item], AC.212: Air pollution scrapbook, W. L. Eury Appalachian Collection, Appalachian State University, Boone, North Carolina, USA.
[Identification of item], AC.212: Air pollution scrapbook, W. L. Eury Appalachian Collection, Appalachian State University, Boone, North Carolina, USA. https://appstate-speccoll.lyrasistechnology.org/repositories/2/resources/280 Accessed January 24, 2021.
