Willamette Falls fishways, 1885-1971
By: by Robert L. Hacker.
Publisher: R.L. Hacker
Published: 1990
Place of publication: Corvallis, Or
Language: eng
Number of pages: 39
Subjects: Fishways -- Oregon -- Willamette River -- History.
Notes: 1 plan, 48 x 41 cm., folded in pocket.

Includes bibliographical references (p. 35-39).