http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Oregon streamflow duration assessment method
Oregon streamflow duration assessment method--Interim version (March 2009)
Office of Wetlands, Oceans, and Watersheds.
Title from title screen (viewed on January 2, 2009).
"Macroinvertebrate indicators of streamflow duration: a field guide to accompany the macroinvertebrate scoring portion of the Oregon streamflow duration assessment method; prepared for the U.S. Army Corps of Engineers & U.S. Environmental Protection Agency by The Xerces Society for Invertebrate Conservation, Celeste A. Mazzacano."--P. 56-60.
Mode of access: Internet from the EPA web site. Address as of 5/1/09: http://yosemite.epa.gov/R10/ECOCOMM.NSF/cf58c61bb5ef33ca88256c4000775ada/02de1562ab59a76c882575700070fbe6/$FILE/osdam%5Fmarch%5F2009%5Finterim.pdf ; current access available via PURL.
Includes bibliographical references (pages 46-51).