Bugs 'n Galls
These unusually-shaped growths
and swellings are a plant's reaction to an irritation. What causes
it? Primarily insects
Insects...What Good Are 
They Anyway?
Although it is
true that insects cause damage, they can also be beneficial.
Pennsylvania State Parks
Amazing Adventures State Parks have so many things
to do, places to go and things to see! These pages will help you
learn more about your parks. 
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