Sources

http://www.enchantedlearning.com/usa/states/pennsylvania

state book

http://www.pennsylvania-mountains-of-attractions.com/pennsylvania-facts.html

http://www.jacksontwppa.com/kidsPAanswers.htm

http://farmflavor.com/us-ag/pennsylvania/

http://www.dumblaws.com/laws/united-states/pennsylvania