Born-Digital or AnalogAnalogTranscriptHigh altitude observatory CU scientists sweat over signal change. Post O 8, 1957 p.3 colorado university "Crash plan" idea hit by Boulder scientist, Dr. Roberts. Post O 8, 1957 p.3 Russian moon article value discounted at CU. Post O 10, 1957 p.59 CU gains funds for sun study. Post O 10, 1957 p.59 Eccentric path hints downfall of Sputnik-2nd. Post N 5, 1957 p.3 CU scientists hear radio signal 3 times. Post My 15, 1958 p.23CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
High altitude observatory, [309149]. Denver Public Library Digital Collections, accessed 19/01/2026, https://digital.denverlibrary.org/nodes/view/1461967
