TY - JOUR T1 - Precision of Ring Dating in Tree-Ring Chronologies JF - Tree Ring Bulletin Y1 - 1946 A1 - Douglass, A.E. KW - Archaeology KW - chronology KW - dating KW - dendrochronology KW - Douglass KW - historic KW - precision dating KW - tree ring PB - University of Arizona CY - Tucson VL - XVII IS - No. 3 ER - TY - JOUR T1 - Researches in Dendrochronology JF - Bulletin of the University of Utah Y1 - 1946 A1 - Douglass, A.E. KW - dating KW - dendrochronology KW - Douglass KW - historic KW - tree ring KW - university of utah PB - University of Utah CY - Salt Lake City VL - 37 IS - No. 2 N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - Generic T1 - Tree Rings and Climatic Cycles, Laboratory of Tree-Ring Research, Astronomical Studies Y1 - 1944 A1 - Peterson, Roy M. A1 - Douglass, A.E. KW - astronomy KW - climate KW - dating KW - dendrochronology KW - Douglass KW - environment KW - fraternity KW - historic KW - tree ring KW - tree ring laboratory JF - Phi Kappa Phi Journal PB - University of Arizona CY - Tucson VL - XXIV IS - No. 3 ER - TY - JOUR T1 - Crossdating at Mesa Verde National Park JF - Journal of Forestry Y1 - 1942 A1 - Douglass, A.E. KW - Archaeology KW - crossdating KW - dating KW - Douglass KW - Forestry KW - historic KW - mesa verde KW - southwest KW - tree ring VL - 40 IS - No. 4 N1 - Copies of this are available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - JOUR T1 - Crossdating in Dendrochronology JF - Journal of Forestry Y1 - 1941 A1 - Douglass, A.E. KW - crossdating KW - dating KW - dendrochronology KW - Douglass KW - historic KW - tree ring VL - 39 N1 - Copies of this are available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - RPRT T1 - Steward Observatory Y1 - 1939 A1 - Douglass, A.E. KW - annual report KW - Douglass KW - steward observatory JF - Annual Report of the University of Arizona N1 - Copies of this are available in the Tree Ring Laboratory, please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - JOUR T1 - Tree Rings and Chronology JF - University of Arizona Bulletin Y1 - 1937 A1 - Douglass, A.E. KW - chronology KW - dates KW - dating KW - Douglass KW - historic KW - tree ring PB - University of Arizona CY - Tucson VL - VII IS - No. 4 ER - TY - Generic T1 - Dating Pueblo Bonito and Other Ruins of the Southwest Y1 - 1935 A1 - Douglass, A.E. KW - Archaeology KW - dates KW - dating KW - Douglass KW - pueblo bonito KW - ruins KW - southwest JF - National Geographic Society PB - National Geographic Society N1 -

Copies of this article are available in the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu

ER - TY - Generic T1 - Evidences of Cycles in Tree Ring Records T2 - Proceedings of the National Academy of the Sciences Y1 - 1933 A1 - Douglass, A.E. KW - address KW - cycles KW - Douglass KW - evidence KW - historic KW - proceedings of the national academy of science KW - record KW - tree ring JF - Proceedings of the National Academy of the Sciences N1 - This is available as a physical and electronic copy through the Tree Ring Lab. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - MGZN T1 - Tree Growth and Climatic Cycles Y1 - 1933 A1 - Douglass, A.E. KW - climate KW - climatic cycles KW - Douglass KW - environment KW - historic KW - tree growth KW - tree rings JF - The Scientific Monthly VL - XXXVII N1 - Copies of this are available in the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - JOUR T1 - La Chronologie Des Pueblos JF - Revue Archaeologique Y1 - 1931 A1 - Douglass, A.E. KW - Archaeology KW - chronologie KW - chronology KW - Douglass KW - pueblos N1 - This title is available physically and electronically. Please contact the Curator for more information. pcreasman@ltrr.arizona.edu ER - TY - CONF T1 - Tree Growth and Solar Cycles T2 - Paper Presented at International Research Council Y1 - 1931 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - solar cycles KW - tree growth JF - Paper Presented at International Research Council N1 - Copies of this are available through the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - 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 - MGZN T1 - Secret of the Southwest Solved by Talkative Tree Rings Y1 - 1929 A1 - Douglass, A.E. KW - Archaeology KW - dates KW - dating KW - Douglass KW - Hopi KW - national geographic KW - southwest KW - tree rings KW - zuni JF - National Geographic Magazine ER - TY - MGZN T1 - Climate and Trees Y1 - 1928 A1 - Douglass, A.E. KW - climate KW - climatology KW - Douglass KW - environment KW - tree ring JF - Nature Magazine ER - TY - MGZN T1 - Solar Records in Tree Growth Y1 - 1927 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - records KW - solar KW - tree growth KW - tree ring JF - Science VL - LXV IS - No. 1679 ER - TY - MGZN T1 - Two Sciences Y1 - 1927 A1 - Douglass, A.E. KW - Douglass KW - historic KW - the atlantic monthly JF - The Atlantic Monthly ER - TY - JOUR T1 - Photograph of Shadow Bands JF - Astrophysical Journal Y1 - 1926 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - photograph KW - shadow bands VL - LXIII IS - No. 3 ER - TY - JOUR T1 - The Significance of Honor Societies JF - Phi Kappa Phi Journal Y1 - 1926 A1 - Douglass, A.E. KW - addresses KW - Douglass KW - historic KW - honor societies KW - honor society KW - significance of honor societies VL - VI IS - No. 9 ER - TY - JOUR T1 - Phi Kappa Phi Installation Address Y1 - 1925 A1 - Douglass, A.E. KW - address KW - Douglass KW - installation KW - journal KW - phi kappa phi ER - TY - MGZN T1 - Radio Talks on Science Y1 - 1925 A1 - Douglass, A.E. KW - climate KW - Douglass KW - radio KW - tree rings JF - Scientific Monthly VL - XXI ER - TY - ABST T1 - Historical Address Y1 - 1923 A1 - Douglass, A.E. KW - address KW - Douglass KW - historic KW - steward observatory ER - TY - MGZN T1 - University of Arizona Eclipse Expedition Y1 - 1923 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - eclipse expedition KW - university of arizona JF - Popular Astronomy VL - XXXI IS - No. 10 ER - TY - JOUR T1 - University of Arizona Eclipse Expedition, Port Libertad, Sonora, Mexico JF - Publications of the Astronomical Society of the Pacific Y1 - 1923 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - eclipse KW - expedition KW - Mexico KW - port libertad KW - Sonora KW - university of arizona VL - XXXVI IS - No. 212 ER - TY - RPRT T1 - Some Aspects of the Use of the Annual Rings in Trees in Climatic Study Y1 - 1922 A1 - Douglass, A.E. KW - annual KW - climate KW - climatic study KW - Douglass KW - environment KW - tree rings JF - The Smithsonian Report for 1922 ER - 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 - TY - MGZN T1 - Dating Our Prehistoric Ruins Y1 - 1921 A1 - Douglass, A.E. KW - Archaeology KW - dates KW - dating KW - Douglass KW - historic KW - Prehistoric KW - ruins KW - southwest KW - tree ring JF - Natural History VL - XXI IS - No.1 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 - An Automatic Optical Photograph, Abstract JF - Publications of the Astronomical Society of the Pacific Y1 - 1919 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - optic KW - optical KW - photograph ER - TY - JOUR T1 - The Steward Observatory of the University of Arizona JF - Publications of the Astronomical Society Y1 - 1918 A1 - Douglass, A.E. KW - Douglass KW - historic KW - steward observatory KW - university of arizona IS - No. 178 ER - TY - Generic T1 - Climatic Records in the Trunks of Trees Y1 - 1917 A1 - Douglass, A.E. KW - climate KW - climatology KW - Douglass KW - environment KW - historic KW - tree ring ER - TY - CONF T1 - The Callendar Sunshine Recorder and Some of the World-Wide Problem to Which This Instrument Can Be Applied T2 - Second Pan-American Scientific Conference Y1 - 1916 A1 - Douglass, A.E. KW - calendar KW - callendar KW - Douglass KW - historic KW - papers KW - sunshine recorder JF - Second Pan-American Scientific Conference ER - TY - JOUR T1 - An Optical Photograph JF - The Astrophysical Journal Y1 - 1915 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - optical KW - optics KW - photograph VL - XLI IS - No. 3 ER - TY - CONF T1 - Zodical Light and Counter-Glow and the Photography of Large Areas and Faint Contrasts T2 - Royal Photographic Society of Great Britain Y1 - 1915 A1 - Douglass, A.E. KW - astronomy KW - contrasts KW - counter glow KW - Douglass KW - photography KW - zodical light JF - Royal Photographic Society of Great Britain 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 - TY - JOUR T1 - A Photographic Periodogram of the Sun-Spot Numbers JF - The Astrophysical Journal, Y1 - 1914 A1 - Douglass, A.E. KW - Douglass KW - numbers KW - periodogram KW - photo KW - photographic KW - spot KW - sun KW - sun spot VL - XL IS - No. 3 ER - TY - NEWS T1 - Where-When Did Masonry Originate T2 - Arizona Daily Star Y1 - 1912 A1 - Douglass, A.E. KW - astronomy KW - douglass', KW - masonry KW - newspaper JF - Arizona Daily Star CY - Tucson ER - TY - MGZN T1 - Drawings of a Comet Y1 - 1910 A1 - Douglass, A.E. KW - comet KW - Douglass KW - drawing KW - popular astronomy JF - Popular Astronomy VL - XVIII IS - No. 3 ER - TY - NEWS T1 - El Cometa de Halley T2 - Tucson Citizen Y1 - 1910 A1 - Douglass, A.E. KW - astronomy KW - comet KW - Douglass KW - espanol KW - halley KW - historic KW - newspaper KW - spanish KW - tucson JF - Tucson Citizen CY - Tucson N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - NEWS T1 - Halleys Comet T2 - Tucson Citizen Y1 - 1910 A1 - Douglass, A.E. KW - astronomy KW - comet KW - Douglass KW - Halleys KW - historic KW - newspaper KW - tucson JF - Tucson Citizen CY - Tucson N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - Generic T1 - Weather Cycles in the Growth of Big Trees Y1 - 1908 A1 - Douglass, A.E. KW - climate KW - dendrochronology KW - Douglass KW - environment KW - historic KW - tree ring KW - weather JF - Monthly Weather Review ER - TY - JOUR T1 - Boating Down the Colorado JF - University of Arizona Monthly Y1 - 1907 A1 - Douglass, A.E. KW - boat KW - boating KW - colorado KW - Douglass KW - university of arizona VL - 8 IS - No. 1 ER - TY - MGZN T1 - The Illusions of Vision and the Canals of Mars Y1 - 1907 A1 - Douglass, A.E. KW - astronomy KW - canals KW - Douglass KW - illusions of vision KW - mars JF - Popular Science Monthly VL - LXX ER - TY - JOUR T1 - Is Mars Inhabited? JF - The Harvard Illustrated Magazine Y1 - 1907 A1 - Douglass, A.E. KW - Douglass KW - mars VL - Vol. VIII IS - No. 6 ER - TY - NEWS T1 - Physical Geography T2 - Tempe Normal School Y1 - 1906 A1 - Douglass, A.E. KW - address KW - Douglass KW - Geography KW - historic KW - newspaper KW - school KW - tempe JF - Tempe Normal School VL - I IS - No. 6 N1 - Copies of this are available in the Tree Ring Laboratory; please contact the lab for more information. ER - TY - MGZN T1 - A New Almucantar Y1 - 1903 A1 - Douglass, A.E. KW - almucantar KW - astronomy KW - Douglass KW - popular JF - Popular Astronomy ER - TY - NEWS T1 - Altitudes and Locations T2 - Coconino Sun Y1 - 1901 A1 - Douglass, A.E. KW - altitudes KW - astronomy KW - coconino KW - Douglass KW - Flagstaff KW - historic KW - newspaper JF - Coconino Sun CY - Flagstaff N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - Generic T1 - Astronomical Telegrams Y1 - 1901 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - telegrams JF - Publications of the Astronomical Society ER - TY - JOUR T1 - Photographs of the Zodical Light JF - Astronomical Society of the Pacific Y1 - 1901 A1 - Douglass, A.E. KW - Douglass KW - photograph KW - zodical light VL - XIII IS - No. 78 ER - TY - JOUR T1 - A Hypothesis Regarding the Surface Markings of Jupiter JF - Popular Astronomy Y1 - 1900 A1 - Douglass, A.E. KW - Douglass KW - hypothesis KW - jupiter KW - marking KW - surface IS - No. 79 ER - TY - NEWS T1 - The Missing November Meteor T2 - The Coconino Sun Y1 - 1900 A1 - Douglass, A.E. KW - Douglass KW - historic KW - meteor KW - newspaper JF - The Coconino Sun N1 - Copies of this are available in the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - MGZN T1 - Photographs of the Zodical Light Y1 - 1900 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - photograph KW - photographs KW - zodical light JF - Popular Astronomy IS - No. 74 ER - TY - NEWS T1 - Weather Prediction in Northern Arizona T2 - The Coconino Sun Y1 - 1900 A1 - Douglass, A.E. KW - Douglass KW - newspaper KW - northern arizona KW - weather JF - The Coconino Sun N1 - Copies of this are available in the Tree Ring Laboratory. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - MGZN T1 - The Effects of Mountains On the Quality of the Atmosphere Y1 - 1899 A1 - Douglass, A.E. KW - astronomy KW - atmosphere KW - Douglass KW - mountains JF - Popular Astronomy IS - No. 67 ER - TY - MGZN T1 - Mars. Y1 - 1899 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - mars PB - Popular Astronomy ER - TY - MGZN T1 - A Summary of Planetary Work at the Lowell Observatory and the Conditions Under Which It Has Been Performed Y1 - 1899 A1 - Douglass, A.E. KW - Douglass KW - lowell observatory KW - popular astronomy KW - summary JF - Popular Astronomy ER - TY - MGZN T1 - An Ascent of Popocatepetl Y1 - 1898 A1 - Douglass, A.E. KW - ascent KW - Douglass KW - Popocatepetl JF - Popular Astronomy VL - V ER - TY - JOUR T1 - The First Satellite of Jupiter JF - Abdruck aus den Astr. Nachr. Bd. 146. Y1 - 1898 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - jupiter KW - satellite ER - TY - JOUR T1 - The Markings on Venus JF - Monthly Notices of the Royal Astronomical Society Y1 - 1898 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - markings on venus KW - venus VL - LVIII IS - No. 78 ER - TY - JOUR T1 - Present Rotation Period of the First Satellite of Jupiter and Its Change in Form and Period Since 1892 JF - The Astronomical Journal Y1 - 1898 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - jupiter KW - rotation KW - satellite IS - No. 441 ER - TY - MGZN T1 - Scales of Seeing Y1 - 1898 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - scales of seeing JF - Popular Astronomy ER - TY - MGZN T1 - Stellar Bands in the Zodiac from Gemini to Scorpio Y1 - 1898 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - gemini KW - scorpio KW - stellar bands KW - zodiac JF - Popular Astronomy ER - TY - JOUR T1 - A Trip to the Summit of Orizaba, The Altitudes of Orizaba and Popocatepetl Effects of High-Mountain Climbing JF - Appalachia Y1 - 1898 A1 - Cogshall, W.A. A1 - Douglass, A.E. KW - Douglass KW - Orizaba KW - Popocatepetl KW - travel VL - Vol. VIII IS - No. 4 ER - TY - ABST T1 - An Ascent of Popocatepetl Y1 - 1897 A1 - Douglass, A.E. KW - ascent KW - Douglass KW - Popocatepetl ER - TY - MGZN T1 - The Astronomer's Globe Y1 - 1897 A1 - Douglass, A.E. KW - astronomy KW - Douglass JF - Popular Astronomy IS - No. 42 ER - TY - MGZN T1 - Atmosphere, Telescope and Observer Y1 - 1897 A1 - Douglass, A.E. KW - astronomy KW - atmosphere KW - Douglass KW - observation KW - observer KW - popular astronomy KW - telescope JF - Popular Astronomy ER - TY - JOUR T1 - Drawings of Jupiter's Third Satellite JF - Abdruck aus den Astr. Nachr. Bd. 143 Y1 - 1897 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - jupiter KW - satellite ER - TY - MGZN T1 - The Lowell Observatory in Mexico Y1 - 1897 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - lowell KW - Mexico KW - observatory JF - Popular Astronomy IS - No. 39 ER - TY - Generic T1 - Projections on the Terminator of Mars and Martian Meteorology Y1 - 1896 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - historic KW - lowell KW - mars KW - meteorology KW - observatory KW - projections KW - terminator ER - TY - JOUR T1 - A Cloud-Like Spot on the Terminator of Mars Y1 - 1895 A1 - Douglass, A.E. KW - Douglass KW - mars KW - spot ER - TY - JOUR T1 - A Combination Telescope and Dome JF - Astrophysical Journal Y1 - 1895 A1 - Douglass, A.E. KW - dome KW - Douglass KW - telescope ER - TY - NEWS T1 - How Tall We Are T2 - Coconino Sun Y1 - 1895 A1 - Funston, C.M. A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - Flagstaff KW - historic KW - newspaper KW - observation JF - Coconino Sun CY - Flagstaff N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - JOUR T1 - The Study of Atmospheric Current by the Aid of Large Telescopes and the Effect of Such Currents on the Quality of the Seeing JF - The Meterological Journal Y1 - 1895 A1 - Douglass, A.E. KW - astronomy KW - atmosphere KW - Douglass KW - telescopes ER - TY - MGZN T1 - Forms of Jupiter's Satellites Y1 - 1894 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - jupiter KW - satellites JF - Popular Astronomy ER - TY - MGZN T1 - Gegenschein Observations Y1 - 1894 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - gegenschein KW - observations ER - TY - JOUR T1 - The Polar Cap of Mars JF - Astronomy and Astrophysics Y1 - 1894 A1 - Douglass, A.E. A1 - Lowell, Percival KW - astronomy KW - Douglass KW - mars KW - polar cap ER - TY - Generic T1 - Swift's Comet 1892 Y1 - 1893 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - swift's comet ER - TY - Generic T1 - Indicacinoes sobre un period lluvioso en el Sur del Peru Y1 - 1892 A1 - Douglass, A.E. KW - Douglass KW - historic KW - peru KW - rainy period KW - spanish KW - sur KW - wet period ER - TY - MGZN T1 - Indications of a Rainy Period in Southern Peru Y1 - 1892 A1 - Douglass, A.E. KW - climate KW - Douglass KW - environment KW - historic KW - peru KW - sun spot JF - Science VL - XX IS - No. 507 ER - TY - Generic T1 - La Inundacion de 1868 Y1 - 1892 A1 - Douglass, A.E. KW - astronomy KW - climate KW - Douglass KW - environment KW - inundacion KW - spanish JF - El Cosmos ER - TY - MGZN T1 - The Lowell Observatory and Its Work Y1 - 1885 A1 - Douglass, A.E. KW - astronomy KW - Douglass KW - lowell observatory JF - Popular Astronomy ER - TY - JOUR T1 - The Crescentic Dunes of Peru JF - Appalachia Y1 - 0 A1 - Douglass, A.E. KW - crescentic KW - Douglass KW - dunes KW - peru VL - XII IS - No.1 ER - TY - Generic T1 - Dendrochronology and Studies in Cyclics T2 - University of Pennsylvania Bicentennial Conference Proceedings Y1 - 0 A1 - Douglass, A.E. KW - conference KW - cycles KW - cyclics KW - dendrochronology KW - Douglass KW - historic JF - University of Pennsylvania Bicentennial Conference Proceedings ER - TY - Generic T1 - Dendrochronology and Studies in Cyclics T2 - University of Pennsylvania Bicentennial Conference Y1 - 0 A1 - Douglass, A.E. KW - climatology KW - conference KW - cyclics KW - dendrochronology KW - Douglass KW - environment KW - historic KW - university of Pennsylvania JF - University of Pennsylvania Bicentennial Conference N1 - This title is available through the Tree Ring Laboratory; please contact the lab for more information. ER - TY - NEWS T1 - Height of the San Francisco Mountains and Other Points Y1 - 0 A1 - Douglass, A.E. KW - Douglass KW - mountains KW - newspaper KW - san francisco PB - The Coconino Sun CY - Flagstaff N1 - A copy of this article is available from the Tree Ring Lab. Please contact the curator for more information. pcreasman@ltrr.arizona.edu ER - TY - Generic T1 - Montezuma's Well and the Soda Spring, Arizona Y1 - 0 A1 - Douglass, A.E. KW - Arizona KW - Douglass KW - montezumas well KW - soda spring ER - TY - ABST T1 - Tree Ring Dates and Dating of Southwestern Prehistoric Ruins Y1 - 0 A1 - Douglass, A.E. KW - addresses KW - Archaeology KW - date KW - dates KW - dating KW - Douglass KW - historic KW - prehistoric ruins KW - sites KW - tree ring ER -