Born-Digital or AnalogAnalogTranscriptPetrified forest national monument Good article. Southwest MAGAZINE v.11 #2 Sept. 1930 p.24 Archaeological studies in -- El Palacio v.62 #12 p.368-371 Dec. 1955 A great forest turned to stone records aeons of planet's history. Arizona Highways v.43 #6 Je 1967 p.2-31 Archaeological salvage in a prehistoric campsite. Plateau v.44 #4 Spring 1972 p.163- 175CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Petrified forest national monument, [482831]. Denver Public Library Digital Collections, accessed 13/03/2026, https://digital.denverlibrary.org/nodes/view/1406568
