%0 Report %D 1922 %T Some Aspects of the Use of the Annual Rings in Trees in Climatic Study %A Douglass, A.E. %K annual %K climate %K climatic study %K Douglass %K environment %K tree rings %B The Smithsonian Report for 1922 %0 Journal Article %J Proceedings of the American Philosophical Society %D 1922 %T Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest %A Douglass, A.E. %K annual %K characteristics %K characters %K climate %K climatic %K dates %K dating %K Douglass %K environment %K ring %K sequoias %K southwest %K topographic %K tree ring %K tree rings %K yellow pine %B Proceedings of the American Philosophical Society %V LXI %N No. 2