Description
Item Description:Title from HTML title screen (viewed on Sept. 18, 2001).
Distributed to depository libraries in paper on Shipping List number: 2002-0071-P.
Electronic resource.
Format:System requirements: Adobe Acrobat Reader.
Mode of access: Internet from the USGS Web site. Address as of 1-14-02: http://water.usgs.gov/pubs/wri/wri014081/wrir01-4081.pdf; current access is available via PURL.
Bibliography:Includes bibliographical references.