Description
Item Description:"Biological Services Program"--Cover.
"June 1982"--Volumes 1, 2.
"October 1982"--Volume 3.
Errata inserted in volume 2.
FWS/OBS-82/21, 82/42 (Volumes 1, 2).
FWS/OBS-81/41 (Volume 3).
Physical Description:volumes : illustrations, maps ; 28 cm.
Bibliography:Includes bibliographies and indexes.