Description
Item Description:"December 1989."
"TR EL-82-4."
Physical Description:vi, 35 pages : illustrations ; 28 cm.
Also available via Internet from the National Wetlands Research Center web site. Address as of 10/10/06: http://www.nwrc.usgs.gov/wdb/pub/0134.pdf ; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 21-35)
Reproduction Note:Microfiche.
Additional Physical Form available Note:Also available via Internet from the National Wetlands Research Center web site. Address as of 10/10/06: http://www.nwrc.usgs.gov/wdb/pub/0134.pdf ; current access is available via PURL.