Endangered and threatened fishes of the upper Colorado River basin
By: by R.J. Behnke and D.E. Benson.
Contributors: Benson, Delwin E., 1949-
Series: Bulletin / Cooperative Extension Service, Colorado State University ;; 503A; Bulletin (Colorado State University. Cooperative Extension Service) ;; 503A.
Publisher: Cooperative Extension Service, Colorado State University
Published: 1980
Place of publication: Fort Collins, Colo
Language: eng
Number of pages: 34
Subjects: Rare fishes -- Colorado River Watershed (Colo.-Mexico)
Notes: Bibliography: p. 32-33.
"September 1980"--Cover.