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The reconstructions were \nmade for a network of weather observation stations in the \nUnited States.  For a discussion of the methodology of climate \nreconstructions, and potential limits in their application, \nplease consult the original reference.  The data are accompanied \nby DOS display software.  The DIFMAP program opens the data files \nand creates maps of reconstructed temperature or precipitation \npatterns, either on screen or as a printer file. The program \nSERIES displays reconstructed values for a single location, \nas a graph or a numerical table.  Documentation for the programs \nis in the files MANUAL.DOC and SERIES.DOC.  \n\nOriginal Reference:\nH.C. Fritts, 1991, RECONSTRUCTING LARGE-SCALE CLIMATIC PATTERNS \nFROM TREE RING DATA: A DIAGNOSTIC ANALYSIS, University of Arizona Press,\nTucson, AZ, USA.  ISBN 0-8165-1218-3","version":"1.0","xmlId":"15237"}