4.7 Number of Years of Southern Pine Beetle Outbreaks by County (1960-2008)
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Number of Years of Southern Pine Beetle Outbreaks by County (1960-2008)
Greater than 25 21 - 25
16 - 20 11 - 15
6 - 10 1-5
0
Sources: Southern pine beetle outbreaks by county (USDA Forest Service, 2009), administrative boundaries (ESRI Data and Maps 9.3.1, ESRI, 2008), color symbols (ColorBrewer.org, 2009).
0
50 100
200
300
400 Miles
±
Number of Years of Southern Pine Beetle Outbreaks by County (1960-2008)
Greater than 25 21 - 25
16 - 20 11 - 15
6 - 10 1-5
0
Sources: Southern pine beetle outbreaks by county (USDA Forest Service, 2009), administrative boundaries (ESRI Data and Maps 9.3.1, ESRI, 2008), color symbols (ColorBrewer.org, 2009).
0
50 100
200
300
400 Miles
±
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