A Comparative Study of Bird Populations in Illinois, 1906-1909 and 1956-1958
by Graber, Richard R.; Jean W. Graber
Format: Paperback
Status: Out of print
Code: B495
Condition: Used, Very Good
Product Details
1963. Illinois Natural History Survey Bulletin. Volume 28, Article 3, pp. 383-528. The Forbes-Gross Strip Census method is discussed. Black and white photographs.
Publisher: State of Illinois
Year of Publication: 1963
Shipping Weight: 1.50 lb