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13-17 May 2013
Tucson, Arizona
US/Arizona timezone
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Dendroarchaeology in the Valles Caldera: The Salt Barn and Commissary Cabin

Presented by Kristen DE GRAAUW on 15 May 2013 from 18:00 to 21:00
Type: Poster Presentation
Board #: 7


Dendroarchaeology was used to interpret the history of two historic structures in the Valles Caldera National Preserve of New Mexico. Historical documents date some structures in the preserve, but a commissary cabin and a salt barn were lacking conclusive construction dates. Two tree species, Abies concolor (white fir) and Pseudotsuga menziesii (Douglas-fir), were represented by the cores extracted from the logs. Twenty cores were confidently crossdated both graphically and statistically, and provided cutting dates of 1940 and 1941. Additional dendroarchaeological data indicate simultaneous procurement of beams for each structure, probably from higher elevation sources, little reuse of beams from other structures, no deadwood use, and beam modification using locally available tools. Walls of the structures were apparently constructed in single building episodes and not remodeled or repaired. Dendroarchaeological and historical data indicate that the two structures were associated with the transition from sheep ranching to more modern cattle grazing.


Location: DoubleTree
Room: Salon E

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