REFERENCES
- Lockwood, C. 1999. To sprawl or not to sprawl. Environmental News Network. http://www.enn.com
- Reisner, M. 1993. Cadillac desert: The American West and its disappearing water. New York, NY: Penguin Books.
- Ross, S., and J. Kerski. 2005. The essentials of the environment. London: Routledge.
- U.S. Geological Survey. 2004. Urban growth in American cities: Glimpses of U.S. urbanization. Circular 1252. http://pubs.usgs.gov/circ/2004/circ1252/ (last accessed September 2, 2014).