UFO: Photos: Crop Circles

UFO: Photos: Crop Circles, - 04 JPK 4 Box 4 Folder 78, Box: 4, Folder: 78. Joachim P. Kuettner Papers, - 04-JPK. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/10641 Accessed April 18, 2026.