1 sheet (2 unnumbered pages) : color illustrations, color map ; 28 x 22 cm
OCLC
ocm53324834
Caption title.
"August 2003"--P. [1].
"Selected by the USGS National Water-Quality Assessment (NAWQA) Program for a special study of agricultural chemicals and water quality"--P. [1].
Shipping list no.: 2004-0012-P.
Includes bibliographical references.
Also available via Internet from the USGS Web site. Address as of 11/06/03: http://water.usgs.gov/pubs/fs/fs08203/pdf/fs-082-03.pdf; current access is available via PURL.