Northeastern Illinois wetland survey for endangered and threatened birds
Subtitle: a summary of field data, 1980-1989
By: by Randy R. Heidorn ... [et al.].
Contributors: Heidorn, Randy R.
Series: Natural heritage general technical report ;; #1
Publisher: Illinois Dept. of Conservation, Division of Natural Heritage
Published: 1991
Place of publication: [Springfield]
Language: eng
Number of pages: 157
Subjects: Rare birds -- Habitat -- Illinois.; Wetland animals -- Habitat -- Illinois.; Wetlands -- Illinois.
Notes: Includes bibliographical references (p. 153-154) and index.
"May 1991."