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U. S. BUREAU OF FISHEEIES. 



Pounds and Cost per Pound of Fish Food Used, Fiscal Year 1921 — Continued. 



NEW ENGLAND SALMON AND TROUT STATIONS. 



ROCKY MOUNTAIN TROUT STATIONS. 



COMBINED TROUT AND POND FISH-CULTURAL STATIONS. 



POND FISH-CULTURAL STATIONS.^ 



1 Beef liver and hearts combined. 



*No artificial foods used at the San Marcos (Tex.) station. 



