occurrence and distribution of fish in the Umpqua River Estuary, June through October 1972
By: Robert E. Mullen.
Contributors: Oregon. Fish Division.
Series: Information report series -- no. 77-3.
Publisher: Oregon Dept. of Fish and Wildlife
Published: 1977
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 39
Subjects: Fish populations -- Oregon -- Umpqua River Estuary.; Umpqua River Estuary (Or.)
Notes: "April 1977"

Bibliography: p. 18.