Title from title screen (viewed on July 15, 2008).
At head of title: National Water-Quality Assessment, Transport of Anthropogenic and Natural Contaminants (TANC) to Public-Supply Wells.
"April 2008."
Includes bibliographical references (page [5]).
Mode of access: Internet from the USGS web site. Address as of 7/15/08: http://pubs.usgs.gov/fs/2008/3025/pdf/fs20083025.pdf; current access available via PURL.