Description
Item Description:Title from title screen (viewed Nov. 14, 2008).
Electronic resource.
Physical Description:v, 58 pages : digital, PDF file.
Format:Mode of access: Internet from the USGS web site. Address as of 11/14/08: http://in.water.usgs.gov/newreports/ecoli-1999.pdf ; current access available via PURL.
Bibliography:Includes bibliographical references (page 29).