<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">unknown</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Analysis of Tree Rings and Climatic Changes</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">changes</style></keyword><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">environment</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1978</style></year></dates></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>19</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">unknown</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Climatic Information from Analysis of Cellulose Lignin and Whole Wood from Tree Rings</style></title><secondary-title><style face="normal" font="default" size="100%">Nature</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">analysis</style></keyword><keyword><style  face="normal" font="default" size="100%">cellulose</style></keyword><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">lignin</style></keyword><keyword><style  face="normal" font="default" size="100%">tree ring</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1977</style></year></dates><volume><style face="normal" font="default" size="100%">270</style></volume><issue><style face="normal" font="default" size="100%">No. 5639</style></issue><notes><style face="normal" font="default" size="100%">Copies of this are available from the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fritts, H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Tree Rings A Record of Climate Past</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">climatology</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">environment</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1977</style></year></dates><publisher><style face="normal" font="default" size="100%">U.S. Department of Commerce National Oceanic and Atmospheric Environmental Data Service</style></publisher><pub-location><style face="normal" font="default" size="100%">Washington, D.C. </style></pub-location><notes><style face="normal" font="default" size="100%">&lt;p&gt;Copies of this are available through the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu&lt;/p&gt;</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gray, John</style></author><author><style face="normal" font="default" size="100%">Thompson, Peter</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Climatic Information from Ratios of Cellulose in Tree Rings</style></title><secondary-title><style face="normal" font="default" size="100%">Nature</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">18 isotope</style></keyword><keyword><style  face="normal" font="default" size="100%">cellulose</style></keyword><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">environment</style></keyword><keyword><style  face="normal" font="default" size="100%">O</style></keyword><keyword><style  face="normal" font="default" size="100%">oxygen</style></keyword><keyword><style  face="normal" font="default" size="100%">paleoclimatology</style></keyword><keyword><style  face="normal" font="default" size="100%">ratios</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1976</style></year></dates><volume><style face="normal" font="default" size="100%">262</style></volume><issue><style face="normal" font="default" size="100%">No. 5568</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fritts, H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Reconstruction of Past Climatic Variability (A Progress Report) 1 January through 30 June 1974</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">ARPA</style></keyword><keyword><style  face="normal" font="default" size="100%">climatic variability</style></keyword><keyword><style  face="normal" font="default" size="100%">dendroclimatology</style></keyword><keyword><style  face="normal" font="default" size="100%">past climate</style></keyword><keyword><style  face="normal" font="default" size="100%">reconstruction</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1974</style></year></dates><publisher><style face="normal" font="default" size="100%">Laboratory of Tree-Ring Research</style></publisher><pub-location><style face="normal" font="default" size="100%">Tucson</style></pub-location><language><style face="normal" font="default" size="100%">English</style></language><issue><style face="normal" font="default" size="100%">1 January through 30 June 1974</style></issue><work-type><style face="normal" font="default" size="100%">Fourth Semi-Annual Technical Report</style></work-type></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fritts, H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Reconstruction of Past Climatic Variability (A Progress Report) 30 June through 31 December 1974</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">ARPA</style></keyword><keyword><style  face="normal" font="default" size="100%">climatic variability</style></keyword><keyword><style  face="normal" font="default" size="100%">dendroclimatology</style></keyword><keyword><style  face="normal" font="default" size="100%">past climate</style></keyword><keyword><style  face="normal" font="default" size="100%">reconstruction</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1974</style></year></dates><publisher><style face="normal" font="default" size="100%">Laboratory of Tree-Ring Research</style></publisher><pub-location><style face="normal" font="default" size="100%">Tucson</style></pub-location><language><style face="normal" font="default" size="100%">English</style></language><issue><style face="normal" font="default" size="100%">30 June through 31 December 1974</style></issue><work-type><style face="normal" font="default" size="100%">Fifth Semi-Annual Technical Report</style></work-type></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>13</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fritts, H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Paleoclimatology</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">ancient</style></keyword><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">environment</style></keyword><keyword><style  face="normal" font="default" size="100%">paleoclimatology</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1973</style></year></dates></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>6</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Robinson, William J.</style></author><author><style face="normal" font="default" size="100%">Hannah, John W.</style></author><author><style face="normal" font="default" size="100%">Harrill, Bruce G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Tree-Ring Dates from New Mexico I,O,U Central Rio Grande Area</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Archaeology</style></keyword><keyword><style  face="normal" font="default" size="100%">date</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">new mexico</style></keyword><keyword><style  face="normal" font="default" size="100%">rio grande area</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1972</style></year></dates><publisher><style face="normal" font="default" size="100%">University of Arizona</style></publisher><pub-location><style face="normal" font="default" size="100%">Tucson</style></pub-location></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>6</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bannister, Bryant</style></author><author><style face="normal" font="default" size="100%">Robinson, William J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Tree-Ring Dates from Arizona U-W Gila-Salt Rivers Area</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">dates</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">Gila river</style></keyword><keyword><style  face="normal" font="default" size="100%">southwest</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1971</style></year></dates><publisher><style face="normal" font="default" size="100%">University of Arizona</style></publisher><pub-location><style face="normal" font="default" size="100%">Tucson</style></pub-location></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>19</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Fritts, H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Growth Rings of Trees: Their Correlation with Climate</style></title><secondary-title><style face="normal" font="default" size="100%">Science</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">growth</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1966</style></year></dates><volume><style face="normal" font="default" size="100%">154</style></volume><notes><style face="normal" font="default" size="100%">&lt;p&gt;Copies of this are available through the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu&lt;/p&gt;</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bannister, Bryant</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Dendrochronology</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">bannister</style></keyword><keyword><style  face="normal" font="default" size="100%">dating</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">tree ring</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1963</style></year></dates></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>19</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Douglass, A.E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Tree Growth and Climatic Cycles</style></title><secondary-title><style face="normal" font="default" size="100%">The Scientific Monthly</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">climatic cycles</style></keyword><keyword><style  face="normal" font="default" size="100%">Douglass</style></keyword><keyword><style  face="normal" font="default" size="100%">environment</style></keyword><keyword><style  face="normal" font="default" size="100%">historic</style></keyword><keyword><style  face="normal" font="default" size="100%">tree growth</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1933</style></year></dates><volume><style face="normal" font="default" size="100%">XXXVII</style></volume><notes><style face="normal" font="default" size="100%">Copies of this are available in the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu</style></notes></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>19</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Douglass, A.E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Secret of the Southwest Solved by Talkative Tree Rings </style></title><secondary-title><style face="normal" font="default" size="100%">National Geographic Magazine</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Archaeology</style></keyword><keyword><style  face="normal" font="default" size="100%">dates</style></keyword><keyword><style  face="normal" font="default" size="100%">dating</style></keyword><keyword><style  face="normal" font="default" size="100%">Douglass</style></keyword><keyword><style  face="normal" font="default" size="100%">Hopi</style></keyword><keyword><style  face="normal" font="default" size="100%">national geographic</style></keyword><keyword><style  face="normal" font="default" size="100%">southwest</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword><keyword><style  face="normal" font="default" size="100%">zuni</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1929</style></year></dates></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>19</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Douglass, A.E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Radio Talks on Science</style></title><secondary-title><style face="normal" font="default" size="100%">Scientific Monthly</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">Douglass</style></keyword><keyword><style  face="normal" font="default" size="100%">radio</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1925</style></year></dates><volume><style face="normal" font="default" size="100%">XXI</style></volume></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Douglass, A.E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Some Aspects of the Use of the Annual Rings in Trees in Climatic Study</style></title><secondary-title><style face="normal" font="default" size="100%">The Smithsonian Report for 1922</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">annual</style></keyword><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">climatic study</style></keyword><keyword><style  face="normal" font="default" size="100%">Douglass</style></keyword><keyword><style  face="normal" font="default" size="100%">environment</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1922</style></year></dates></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Douglass, A.E.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Some Topographic and Climatic Characters in the Annual Ring of the Yellow Pines and Sequoias of the Southwest </style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the American Philosophical Society</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">annual</style></keyword><keyword><style  face="normal" font="default" size="100%">characteristics</style></keyword><keyword><style  face="normal" font="default" size="100%">characters</style></keyword><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">climatic</style></keyword><keyword><style  face="normal" font="default" size="100%">dates</style></keyword><keyword><style  face="normal" font="default" size="100%">dating</style></keyword><keyword><style  face="normal" font="default" size="100%">Douglass</style></keyword><keyword><style  face="normal" font="default" size="100%">environment</style></keyword><keyword><style  face="normal" font="default" size="100%">ring</style></keyword><keyword><style  face="normal" font="default" size="100%">sequoias</style></keyword><keyword><style  face="normal" font="default" size="100%">southwest</style></keyword><keyword><style  face="normal" font="default" size="100%">topographic</style></keyword><keyword><style  face="normal" font="default" size="100%">tree ring</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword><keyword><style  face="normal" font="default" size="100%">yellow pine</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1922</style></year></dates><volume><style face="normal" font="default" size="100%">LXI</style></volume><issue><style face="normal" font="default" size="100%">No. 2</style></issue></record><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>6</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hughes, M.K.</style></author><author><style face="normal" font="default" size="100%">LaMarche, V.C.</style></author><author><style face="normal" font="default" size="100%">Pilcher, J.R.</style></author><author><style face="normal" font="default" size="100%">Kelly, P.M.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Climate from Tree Rings</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">climate</style></keyword><keyword><style  face="normal" font="default" size="100%">dendrochronology</style></keyword><keyword><style  face="normal" font="default" size="100%">paleoclimatology</style></keyword><keyword><style  face="normal" font="default" size="100%">tree rings</style></keyword></keywords><publisher><style face="normal" font="default" size="100%">Cambridge University Press</style></publisher><notes><style face="normal" font="default" size="100%">&lt;p&gt;Copies of this are available in the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu&lt;/p&gt;</style></notes></record></records></xml>