Methods of setting Spanish mackerel gill-nets. Fig. 1. Straight set
Fig. 2. Circle set. Fig. 3. Crooked set. Fig. 4. Hook set. Fig. 5. T set
Fig. 6. Square set. Fig. 7. Triangle set. Fig. 8. Harpoon set.
From Report U. S. Fish Commission, Part VIII, 1880
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