Description
Item Description:Shipping list number: 2002-0181-P.
Physical Description:iv, 23 pages : illustrations, color maps ; 28 cm.
Also available via Internet from the USGS web site. Addressas 9/28/02: http://pubs.water.usgs.gov/wri024047; current access os available via PURL.
Bibliography:Includes bibliographical references (page 23).