Background material for UCAR - NCAR - HAO history gathered by L. Hallgren, 1954 - 1969

Background material for UCAR - NCAR - HAO history gathered by L. Hallgren, 1954 - 1969, 04 02 HAO 8 Box 40. High Altitude Observatory (HAO) Records, 04-02-HAO. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/15513 Accessed May 30, 2026.