TY - JOUR T1 - Trees and Droughts in Arizona JF - Professional Engineer Y1 - 1931 A1 - Douglass, A.E. KW - climate KW - dendrochronology KW - Douglass KW - droughts KW - environment KW - historic KW - tree KW - tree ring N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - JOUR T1 - Evidence of Climatic Effects in the Annual Rings JF - Ecology Y1 - 1920 A1 - Douglass, A.E. KW - annual rings KW - climate KW - climatic KW - Douglass KW - Ecology KW - effect KW - effects KW - evidence KW - historic KW - rings KW - tree VL - 1 IS - No. 1 ER - TY - JOUR T1 - A Method of Estimating Rainfall by the Growth of Trees JF - Bulletin of the American Geographic Society Y1 - 1914 A1 - Douglass, A.E. KW - Douglass KW - estimate KW - estimating KW - growth KW - method KW - rainfall KW - tree VL - XLVI ER -