A Ground-based coronal dynamics observing program for solar cycle #21, 1974

A Ground-based coronal dynamics observing program for solar cycle #21, 1974, - 04 02 GAN 1 Sub- 4 Box 2 Folder 39, Box: 2, Folder: 39. Gordon A. Newkirk, Jr. Papers, - 04-02-GAN. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/8130 Accessed April 28, 2026.