Description
Item Description:Title from title screen (viewed on Sept. 11, 2008).
[Performing organizations:] Wyoming Cooperative Fishery Unit, Oklahoma Cooperative Fishery Research Unit, and Instream Flow and Aquatic Systems Group, U.S. Fish and Wildlife Service.
"September 1984."
"FWS/OBS-82/10.79."
Electronic resource.
Physical Description:vi, 29 pages : illustrations ; 28 cm.
Format:Mode of access: Internet from USGS web site. Address as of 9/11/08: http://www.nwrc.usgs.gov/wdb/pub/hsi/hsi-079.pdf ; current access available via PURL.
Bibliography:Includes bibliographical references (pages 26-29).