"Archaeoastronomy of North America: Cliffs, Mounds and Medicine Wheels" MIT, 1977 January 13

"Archaeoastronomy of North America: Cliffs, Mounds and Medicine Wheels" MIT, 1977 January 13, 04 02 JAE 2 Box 3 Folder 18, Box: 3, Folder: 18. John A. Eddy Papers, 04-02-JAE. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/3161 Accessed May 01, 2026.