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50
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ad
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be I
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500
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~~ Land over 400m
o Sites extensive-Iy cleared before
1st millennium be
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cleared in
later
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... ~
~
"5 z
13
I
Figure 9 • .1 Woodland clearance in northern England. The map shows those areas cleared
before the first millennium and those cleared in that millennium and later. The graph shows
the radiocarbon dates of clearance at the sites mapped. (From data in Turner 1979.)