References
Geyer, A.R (n.d.). Hickory Run State Park: Boulder Field. Retrieved November 25, 2015, from http://www.dcnr.state.pa.us/cs/groups/public/documents/document/dcnr_015931.pdf. Web. Accessed November 2015.
Hickory Boulder Field: Carbon County. (n.d.). Retrieved November 25, 2015, from http://www.gis.dcnr.state.pa.us/topo/ogf/OGF_HickoryRunBoulderField.pdf . Web. Accessed November 2015.
The Mild, Modern Climate Halted the Formation of Boulder Field. (n.d.). Retrieved November 25, 2015, from http://www.dcnr.state.pa.us/cs/groups/public/documents/document/dcnr_004626.pdf . Web. Accessed November 2015.
ZAGOFSKY, A. (2008, August 25). The enigma at Boulder Field: A Poconos outdoor mystery. Retrieved November 23, 2015, from http://www.poconorecord.com/article/20080825/news/808250327
Hickory Boulder Field: Carbon County. (n.d.). Retrieved November 25, 2015, from http://www.gis.dcnr.state.pa.us/topo/ogf/OGF_HickoryRunBoulderField.pdf . Web. Accessed November 2015.
The Mild, Modern Climate Halted the Formation of Boulder Field. (n.d.). Retrieved November 25, 2015, from http://www.dcnr.state.pa.us/cs/groups/public/documents/document/dcnr_004626.pdf . Web. Accessed November 2015.
ZAGOFSKY, A. (2008, August 25). The enigma at Boulder Field: A Poconos outdoor mystery. Retrieved November 23, 2015, from http://www.poconorecord.com/article/20080825/news/808250327