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Douglass, AE. 1922. Some Topographic And Climatic Characters In The Annual Ring Of The Yellow Pines And Sequoias Of The Southwest . Proceedings Of The American Philosophical Society LXI (No. 2). Proceedings Of The American Philosophical Society.
PDF icon Douglass, AE_Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest_1922.pdf (5.9 MB)
Douglass, AE. 1937. Tree Rings And Chronology. University Of Arizona Bulletin VII (No. 4). University Of Arizona Bulletin.
PDF icon Douglass, AE_Tree Rings and Chronology_1937.pdf (58.21 MB)
Douglass, AE. 1929. Secret Of The Southwest Solved By Talkative Tree Rings . National Geographic Magazine. National Geographic Magazine.
PDF icon Douglass, AE_Secret of the Southwest Solved by Talkative Tree Rings_1929.pdf (55.05 MB)
Douglass, AE. 1921. Dating Our Prehistoric Ruins. Natural History. Natural History.
PDF icon Douglass, AE_Dating Our Prehistoric Ruins_1921.pdf (55.42 MB)
Douglass, AE. 1935. Dating Pueblo Bonito And Other Ruins Of The Southwest. National Geographic Society. National Geographic Society. National Geographic Society.
PDF icon Douglass, AE_Tree Ring Dates and Dating of Southwestern Prehistoric Ruins.pdf (3 MB)