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| locations.ps | A unix-compressed postcript figure showing maps of the location of all sites, sites with more than 240 months of data, and sites with more than 60 years of data. Months with missing data are not included in these counts. |
| timespan.ps | A postscript figure showing the number of sites with records each year from 1850-present. |
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| Updated 22 July 2005 |
