Description
Item Description:Shipping list number: 2003-0218-P.
Shipping List Date: 06/20/2003
Physical Description:viii, 67 pages : illustrations, maps ; 28 cm.
Also available via Internet at the USGS web site. Address as of 08/01/03: http://pa.water.usgs.gov/reports/wrir03-4033.pdf; current access available via PURL.
Bibliography:Includes bibliographical references (pages 42-44).