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A tree crew from Penn State’s Office of Physical Plant prepares to remove an elm tree at the south end of Deike Building infected with elm yellows, a bacteria-like disease for which there is no known cure or control. Visit http://elmyellows.psu.edu to find out more about what Penn State is doing to combat the elm yellows threat.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
Sending up a chain saw for removing the upper branches.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
The cut is complete.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
Safe removal of a large elm requires teamwork.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
Larger upper limbs are supported by a crane to prevent a free fall after a cut is made.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
Marking a section of the elm tree for storage pending a decision on its ultimate fate.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
Sawyers work at ground level as well as in the tree.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
The final cut is made around the base of the trunk.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
Most of the tree is ground into mulch on site.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
This tree was one of at least 47 elms on the University Park campus infected with elm yellows.
Photo Credit: Laura Stocker Waldhier
Year Taken: 2008
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