Natural Science Symposium, 27 June 1973
By: George B. Rose and Jeffrey D. Bruce, editors.
Contributors: Rose, George B.; Bruce, Jeffrey D.; Illinois. Dept. of Transportation. Bureau of Environmental Science.
Publisher: State of Illinois, Dept. of Transportation, Bureau of Environmental Science
Published: 1973
Place of publication: [Springfield]
Language: eng
Number of pages: 115
Subjects: Ecology -- Congresses.; Environmental protection -- Congresses.
Notes: Includes bibliographical references.