1. @contolini. "Abandoned York County Prison." Chris Contolini. N.p., 2015. Web. 01 Dec. 2016.

https://contolini.com/abandoned-york-county-prison

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2. "Centralia, Pennsylvania." Wikipedia. Wikimedia Foundation, n.d. Web. 01 Dec. 2016.

http://www.onlyinyourstate.com/pennsylvania/abandoned-pa-prison/

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3. "Eastern State Penitentiary." Wikipedia. Wikimedia Foundation, n.d. Web. 01 Dec. 2016.

https://en.wikipedia.org/wiki/Eastern_State_Penitentiary

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4. @StreetsDept. "Exploring Limerick, PA’s Abandoned Linfield Industrial Park." Streets Dept.

N.p.,  2013. Web. 01 Dec. 2016. http://www.desertusa.com/salton/salton.html

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5. DesertUSA.com. "The Salton Sea." The Salton Sea, CA - DesertUSA. N.p., n.d. Web. 01 Dec.

2016. http://www.onlyinyourstate.com/pennsylvania/abandoned-pa/

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6. "These 10 Abandoned Places in Pennsylvania Are Terrifying Yet Incredible." OnlyInYourState.

N.p., n.d. Web. 01 Dec. 2016. https://en.wikipedia.org/wiki/Centralia,_Pennsylvania

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7. "What This Drone Footage Captured At This Abandoned Pennsylvania Prison Is Truly Grim."

OnlyInYourState. N.p., n.d. Web. 01 Dec. 2016.