Description
Item Description:"Biological Services Program"--Cover.
"Office of Research and Development, U.S. Environmental Protection Agency"--Cover.
"Division of Environmental Impact Studies, Argonne National Laboratory."
"August 1981."
Contract number: FWS-14-16-0009-79-997.
"FWS/OBS-81/05."
Physical Description:xii, 151 pages : illustrations, maps ; 28 cm.
Bibliography:Includes bibliographical references.