TY - JOUR T1 - Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest JF - Proceedings of the American Philosophical Society Y1 - 1922 A1 - Douglass, A.E. KW - annual KW - characteristics KW - characters KW - climate KW - climatic KW - dates KW - dating KW - Douglass KW - environment KW - ring KW - sequoias KW - southwest KW - topographic KW - tree ring KW - tree rings KW - yellow pine VL - LXI IS - No. 2 ER -