- Delaware County CAFO proposal too restrictive: http://indianalawblog.com/archives/2008/01/environment_del_2.html

- Delaware County Watershed Project: http://www.delawareswcd.org/

- Environmental degradation and transformation of organic chemicals
Neilson, Alasdair H.

- Water Pollution (Introduction): http://www.umich.edu/~gs265/society/waterpollution.htm

-USGS Water Resources of the United States: http://water.usgs.gov/