Acknowledgements
Thank you so much to everyone in my class for helping me. Thank you to my teacher, Mrs. Mazzitelli. A big thank you to Mary Cairo and Luci Soncin for creating the incredibly helpful textbook "Our Country,Canada".
Sources
http://partner.galileo.org/schools/gibson/4-5_fp/geography/canadian_shield_sw/canadian_shield3.htm
http://www.canadianshieldfoundation.ca/
http://www.canadianshieldfoundation.ca/