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![Biologist determining age of mackerel by counting number of annual rings on ascale fizh1964.jpg Biologist determining age of mackerel by counting number of annual rings on ascale](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fizh1964.jpg?itok=Er8K7aSO)
Description
Biologist determining age of mackerel by counting number of annual rings on ascale. (Image credit: NOAA Central Library Historical Fisheries Collection | Robert K. Brigham BCF)
Credit
NOAA Central Library Historical Fisheries Collection
Photographer
Robert K. Brigham BCF
Display Date
1970 circa
Location
Massachusetts, Woods Hole
Collection
Historic Fisheries