Photo By/Credit
Nicholas Mariana
Date Shot/Created
Circa 1970-1972Media Usage Rights/License
Public Domain
Image
Original caption: Successful fish production required constant study and research of diseases and nutritional problems. Western Fish Nutrition Laboratory, Cook, Washington, c. 1970-1972. Note: The Western Fish Nutrition Laboratory is now part of the U.S. Geological Survey, and is now named the Columbia River Research Laboratory.