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Climbing trees to collect seed must be safe and still allow the seed collector to work efficiently in all parts of the crown.  This pamphlet is not a manual in tree climbing techniques.  It is a reference and reminder for those who have attended a tree climbing course.

出版物详细信息

  • 出版者: 1989
  • Dewey Decimal: 634.956
  • ECHO 图书馆: 634.956 JEN