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NOAA Photo Library Image - fish6019

Counting live and dead salmon eggs from "egg sack plants" is necessary to determine the factors and rates of survival for overall production estimates of a river system. Production estimates provide material for basing regulations, and insuring proper utilization and management.

Image ID: fish6019, NOAA's Historic Fisheries Collection
Photo Date: 1960 April
Credit: NOAA Central Library Historical Fisheries Collection

Category: Historic Fisheries/

High Resolution Photo Available

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Last Updated:
November 10, 2017