References

Charles and others, 2002
Charles, D.F., Knowles, C., and Davis, R.S., eds., 2002, Protocols for the analysis of algal samples collected as part of the U.S. Geological Survey National Water-Quality Assessment Program: Patrick Center for Environmental Research, The Academy of Natural Sciences, Philadelphia, Pennsylvania, Report No. 02-06, 124 p. http://water.usgs.gov/nawqa/protocols/algprotocol/index.html

Cuffney, 2003
Cuffney, T.F., 2003, User's Manual for the National Water-Quality Assessment Program Invertebrate Data Analysis System (IDAS) Software — Version 3: U.S. Geological Survey Open-File Report 03-172, 103 p. http://nc.water.usgs.gov/reports/ofr03172/

Fitzpatrick and others, 1998
Fitzpatrick, F.A, Waite, I.R., D.Arconte, P.J., Meador, M.R., Maupin, M.A.,  and Gurtz, M.E., 1998, Revised methods for characterizing stream habitat in the National Water-Quality Assessment Program, U.S. Geological Survey Water Resources Investigations Report 98-4052, 67 p. http://water.usgs.gov/nawqa/protocols/WRI98-4052/index.html

Gilliom and others, 1995
Gilliom, R.J., Alley, W. M., and Gurtz, M.E., 1995, Design of the National Water-Quality Assessment Program: Occurrence and distribution of water-quality conditions: U.S. Geological Survey Circular 1112, 33 p. http://water.usgs.gov/pubs/circ/circ1112/

Moulton and others, 2000
Moulton, S.R., II, Carter, J.L., Grotheer, S.A., Cuffney, T.F. and Short, T.M., 2000, Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory — Processing, taxonomy, and quality control of invertebrate samples: U.S. Geological Survey Open-File Report 00-212, 49 p. http://nwql.usgs.gov/Public/pubs/OFR00-212.html

Moulton and others, 2002
Moulton, S. R., II, Kennen, J.G., Goldstein, R.M., and Hambrook, J.A., 2002, Revised protocols for sampling algal, invertebrate, and fish communities as part of the National Water-Quality Assessment Program, U.S. Geological Survey Open-File Report 02-150, 75 p. http://water.usgs.gov/nawqa/protocols/OFR02-150/index.html

Walsh and Meador, 1998
Walsh, S.J., and Meador, M.R., 1998, Guidelines for quality assurance and quality control of fish taxonomic data collected as part of the National Water-Quality Assessment Program, U.S. Geological Survey Water Resources Investigations Report 98-4239, 33 p. http://water.usgs.gov/nawqa/protocols/WRI98-4239/index.html