Laboratory of Tree-Ring Research

Northern Arizona Fire Graphs

How to read these fire graphs: Each long horizontal line represents one tree Each short vertical mark represents a crossdated fire scar The composite chronology at bottom shows vertical lines for years with at least two trees recording a fire scar The "Prior to 1900" number is average time interval between composite fires

 

 

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Laboratory of Tree-Ring Research, University of Arizona
Tucson, Arizona 85721 USA
Main Office: (520) 621-1608, Fax: (520) 621-8229
Comments to Paul Sheppard: sheppard @ ltrr.arizona.edu

Copyright © 2000, Laboratory of Tree-Ring Research, University of Arizona
Revised — April, 2000
URL: http://www.ltrr.arizona.edu/~sheppard/swland/narizona.html