Biblio

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1931
Douglass, AE. 1931. Trees And Droughts In Arizona. Professional Engineer. Professional Engineer.
1914
Douglass, AE. 1914. A Method Of Estimating Rainfall By The Growth Of Trees. Bulletin Of The American Geographic Society XLVI. Bulletin Of The American Geographic Society.
PDF icon Douglass, AE_A Method of Estimating Rainfall by the Growth of Trees_1914.pdf (14.44 MB)