Sources:
1: "Geologic Formations." National Park Service. U.S. Department of the Interior, n.d. Web.
http://www.nps.gov/boha/learn/nature/geologicformations.htm
2: "Glaciers and Boston." Boston Geology. Deb Allen and Mark Goldner, Brookline Public Schools, n.d. Web. 23 Mar. 2015. <http://bostongeology.com/boston/geology/islands/glaciers/glaciers.htm>.
3: "Geology and Uses of the Boston Harbor Islands." Boston Geology. Deb Allen and Mark Goldner, Brookline Public Schools, n.d. Web. <http://bostongeology.com/boston/geology/islands/islands.htm>.
4:"Geology of Boston." Geology of Boston. Deb Allen and Mark Goldner, Brookline Public Schools, n.d. Web. <http://www.bostongeology.com/boston/geology/geology.htm>.
5: "The Bedrock Geology of Boston Harbor and Outer Harbor Islands." National Parks Service. U.S. Department of the Interior, n.d. Web. <http://www.nps.gov/boha/learn/management/research-abstracts-2011-kopera.htm>.
6: Cull, Selby. "Geotimes — February 2006 — Below Boston's Hills." Geotimes — February 2006 — Below Boston's Hills. American Geological Institute, Feb. 2006. Web. <http://www.geotimes.org/feb06/Travels0206.html>.
7:Martin, Margaret. "LAURENTIDE GLACIATION OF THE MASSACHUSETTS COAST." Laurentide Glaciation of the Massachusetts Coast. N.p., 2008. Web. 30 May 2015. <http://academic.emporia.edu/aberjame/student/martin1/laurentide.html>.
8: "Moraine." National Geographic. National Geographic Society, n.d. Web. 20 May 2015. <http://education.nationalgeographic.com/education/encyclopedia/moraine/?ar_a=1>.
9: "Spy Pond History." Welcome to Arlington Massachusetts. N.p., n.d. Web. 25 May 2015. <http://spypond.arlington.ma.us/History.htm>.
10: Kaye, Clifford A. "The Geology and Early History of the Boston Area of Massachusetts, a Bicentennial Approach." OHK STATE (1976): 1-6. Web. <http://pubs.usgs.gov/bul/1476/report.pdf>
11: "Spy Pond." Academic Dictionaries and Encyclopedias. Academic, n.d. Web. 20 May 2015. <http://en.academic.ru/dic.nsf/enwiki/2252083>.
12: Pidwirny, Michael, and Scott Jones. "Growth of Glaciers." Physical Geography. N.p., 1999. Web. 31 May 2015. <http://www.physicalgeography.net/fundamentals/10ae.html>.
13. "The Retreat of the Laurentide." Massachusetts Glacial Geology. N.p., n.d. Web. 31 May 2015.
<http://glacialmass.blogspot.com/2013/05/the-retreat-of-laurentide.html>.
14. Claesson, Stefan. "Rainsford Island Archaeological Survey." Institue of Marine History. N.p., n.d.
Web. 29 May 2015. <http://www.maritimehistory.org/content/rainsford-island-archaeological-survey>.
1: "Geologic Formations." National Park Service. U.S. Department of the Interior, n.d. Web.
http://www.nps.gov/boha/learn/nature/geologicformations.htm
2: "Glaciers and Boston." Boston Geology. Deb Allen and Mark Goldner, Brookline Public Schools, n.d. Web. 23 Mar. 2015. <http://bostongeology.com/boston/geology/islands/glaciers/glaciers.htm>.
3: "Geology and Uses of the Boston Harbor Islands." Boston Geology. Deb Allen and Mark Goldner, Brookline Public Schools, n.d. Web. <http://bostongeology.com/boston/geology/islands/islands.htm>.
4:"Geology of Boston." Geology of Boston. Deb Allen and Mark Goldner, Brookline Public Schools, n.d. Web. <http://www.bostongeology.com/boston/geology/geology.htm>.
5: "The Bedrock Geology of Boston Harbor and Outer Harbor Islands." National Parks Service. U.S. Department of the Interior, n.d. Web. <http://www.nps.gov/boha/learn/management/research-abstracts-2011-kopera.htm>.
6: Cull, Selby. "Geotimes — February 2006 — Below Boston's Hills." Geotimes — February 2006 — Below Boston's Hills. American Geological Institute, Feb. 2006. Web. <http://www.geotimes.org/feb06/Travels0206.html>.
7:Martin, Margaret. "LAURENTIDE GLACIATION OF THE MASSACHUSETTS COAST." Laurentide Glaciation of the Massachusetts Coast. N.p., 2008. Web. 30 May 2015. <http://academic.emporia.edu/aberjame/student/martin1/laurentide.html>.
8: "Moraine." National Geographic. National Geographic Society, n.d. Web. 20 May 2015. <http://education.nationalgeographic.com/education/encyclopedia/moraine/?ar_a=1>.
9: "Spy Pond History." Welcome to Arlington Massachusetts. N.p., n.d. Web. 25 May 2015. <http://spypond.arlington.ma.us/History.htm>.
10: Kaye, Clifford A. "The Geology and Early History of the Boston Area of Massachusetts, a Bicentennial Approach." OHK STATE (1976): 1-6. Web. <http://pubs.usgs.gov/bul/1476/report.pdf>
11: "Spy Pond." Academic Dictionaries and Encyclopedias. Academic, n.d. Web. 20 May 2015. <http://en.academic.ru/dic.nsf/enwiki/2252083>.
12: Pidwirny, Michael, and Scott Jones. "Growth of Glaciers." Physical Geography. N.p., 1999. Web. 31 May 2015. <http://www.physicalgeography.net/fundamentals/10ae.html>.
13. "The Retreat of the Laurentide." Massachusetts Glacial Geology. N.p., n.d. Web. 31 May 2015.
<http://glacialmass.blogspot.com/2013/05/the-retreat-of-laurentide.html>.
14. Claesson, Stefan. "Rainsford Island Archaeological Survey." Institue of Marine History. N.p., n.d.
Web. 29 May 2015. <http://www.maritimehistory.org/content/rainsford-island-archaeological-survey>.