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2. |
Scope
and purpose of the text
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Tells
the reader what content to expect.
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�The
book describes the day-to-day life of�
mapping crews on
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both
American and Canadian sides as they struggled with
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visible
hazards of terrain and wildlife and with the
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invisible
hazards of politicians in distant capitals.�
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Do
not attempt an exhaustive summary.�
Give the
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essentials.
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