Cheasapeake Bay Program. Water Quality. Retrieved April 2007 from http://www.chesapeakebay.net/wquality.htm .
Benthic Monitoring Guide. Retrieved October 2006 from http://www.green.org/files.cgi/234_Benthic_Monitoring_Guide.html .
Evaluate a Stream. Retrieved March 2007 from http://www.saveourstream.org/evaluateastream.htm .
Fish and Aquatic Life: Aquatic Macroinvertebrates. Retrieved October 2006 from http://www.krisweb.com/aqualife/insect.htm .
Haddock, R. (2007, February 20 - April 2 ). Phone interviews and emails on benthic macroinvertebrates, water temperature, habitat quality, macroinvertebrate populations, identification of macroinvertebrates, condition of Caffee Creek.
Kristofik, E. (2007, September - April ). Personal interviews and emails on benthic macroinvertebrate monitoring, choosing a testing site, water pollution, identification of macroinvertebrates, equipment, refuge management, habitat quality.
Izaak Walton League of America. Biological Stream Monitoring. Retrieved October 2006 from http://www.iwla.org/index.php?id=118 .
Macroinvertebrate Monitoring. Retrieved November 2006 from http://depts.washington.edu/natmap/water/3monmac.html .
Maryland Department of Natural Resources. Freshwater Benthic Macroinvertebrates. Retrieved December 2007 from http://www.dnr.state.md.us/streams/pubs/freshwater.html .
Stream Biological Monitoring. Retrieved October 2006 from http://www.ecy.wa.gov/programs/eap/fw_benth/index.html .
U.S. Environmental Protection Agency. Aquatic
Biodiversity. Retrieved October 2006 from http://www.epa.gov/bioindicators/aquatic/index.html
U.S. Environmental Protection Agency. Invertebrates as Indicators. Retrieved December 2007 from http://www.epa.gov/bioindicators/html/invertebrate.html .
U.S. Environmental Protection Agency. Macroinvertebrates in Our Waters.
Retrieved December 2007 from http://www.epa.gov/bioindicators/html/benthosclean.html .
USGS. Water Science for Schools. Retrieved April 2007 from http://ga.water.usgs.gov/edu/waterquality.html .
Water Watch Australia. Retrieved January 2007 from http://www.waterwatch.org.au/publications/module3/monitoring.html#strength .