Born-Digital or AnalogAnalogTranscriptHumboldt State Park, California John D. Rockerfeller, Jr. takes trip in 1926 to park, results in $2 million gift to park. National Parks Magazine v.39 #212 My, 1965 P-8-9CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Humboldt State Park, California, [324170]. Denver Public Library Digital Collections, accessed 15/02/2026, https://digital.denverlibrary.org/nodes/view/1455580
