Costs incurred to preserve the Columbia River Basin as a source of salmon and steelhead trout
Subtitle: report to the Congress [on the] Department of the Interior
By: by the Comptroller General of the United States.
Published: 1969
Place of publication: [Washington]
Language: eng
Number of pages: 25
Subjects: Fishways -- Costs; Fish-culture -- Columbia River -- Costs; Salmon; Steelhead (Fish) -- Columbia River
Notes: Cover title.