Marine mammals of the Columbia River Estuary
Subtitle: final report on the Marine Mammal Work Unit of the Columbia River Estuary Data Development Program.
Contributors: Jeffries, Steven J.; Columbia River Estuary Data Development Program.; Columbia River Estuary Study Taskforce.; United States. National Oceanic and Atmospheric Administration.
Publisher: Columbia River Estuary Data Development Program
Published: 1984
Place of publication: [Astoria, Or.]
Language: eng
Subjects: Estuarine ecology -- Columbia River Estuary (Or. and Wash.); Marine mammals -- Columbia River Estuary (Or. and Wash.)
Notes: Contractor: Washington Department of Game; principal investigator: Steven Jeffries.

"January 1984."

The Program is administered under a cooperative agreement between the Columbia River Estuary Study Taskforce and NOAA.

Bibliography: p. 57-62.