Cook, B. (2001). “Forest Facts.” Michigan’s Forests Forever Teacher’s Guide. East Lansing, MI: MSU Extension. Retrieved July 11, 2018, from http://mff.dsisd.net/Facts.htm 

Leefers, L. (2003). The Forests of Michigan. Ann Arbor, MI: University of Michigan Press.

Michigan Department of Natural Resources. (2005). Michigan’s Natural Communities. Lansing, MI: Michigan Department of Natural Resources. Retrieved April 12, 2005, from http://www.michigan.gov/dnr/0,1607,7-153-10370_22664---,00.html

Michigan DNR Kids About Michigan. (n.d.). Lansing, MI: Michigan Department of Natural Resources (Outdoor Explorers Club). Retrieved July 11, 2018, from https://www.michigan.gov/oac/

Michigan Fact Sheet. (2005). Ann Arbor, MI: Michigan Start Pages, LLC. Retrieved July 11, 2018, from https://www.michigan.gov/mdhhs/0,5885,7-339-71550_5104-14752--,00.html

Michigan Legislature. (2003). Portraits of Michigan: History and Facts on Michigan. Lansing, MI: Michigan Legislature. Retrieved April 12, 2005, from http://www.legislature.mi.gov/documents/publications/PortraitsofMI.pdf 

Michigan Legislature Legislative Service Bureau: Science & Technology Division. (2001). Michigan’s Natural Resources & Environment: A Citizen’s Guide. Lansing, MI: Michigan Legislature. Retrieved April 12, 2005, from http://www.legislature.mi.gov/documents/publications/NaturalResources.pdf

Michigan State Board of Education. (1991). New Directions for Science Education in Michigan: State Objectives for K-12 Science (MEGOSE). Lansing, MI: Michigan Department of Education. Retrieved July 8, 2005, from http://elsci.lansingschools.net/MEGOSE/

Miller, G. (2004). Living in the Environment: Principles, Connections and Solutions. Pacific Grove, CA: Brooks/Cole-Thomson Learning, Inc.

Sargent, M.S., and K.S. Carter. (eds.). (1999). Managing Michigan Wildlife: A Landowners Guide. East Lansing, MI: Michigan United Conservation Clubs. Retrieved July 12, 2005, from http://www.michigandnr.com/publications/pdfs/huntingwildlifehabitat/Landowners_Guide/Habitat_Mgmt/Backyard/index.htm

Things to Do in Michigan State Facts. (2005). Riverton, UT: Software Solutions. Retrieved April 12, 2005, from www.thingstodo.com/states/MI/facts.htm

U.S. Environmental Protection Agency. (1995). The Great Lakes: Environmental Atlas and Resource Book, 3rd ed. Toronto and Chicago: Great Lakes National Program Office and Government of Canada.

Uriarte, S. (1996). Learning about Wildlife: Unit 14. Kanata, Ontario: Canadian Wildlife Federation.