1. The river is periodically dredged for the convenience of commercial fishing operations . 2. They find a vessel carrying out an illegal fishing operation late at night. 3. There is increasingly competition for use of the ponds with commercial fishing operations . 4. Big-game fishing operations cater to growing demand for sport fishing in the area. 5. It applies to all fishers and fishing vessels engaged in commercial fishing operations . 6. Normal fishing operations were able to eventually resume once the cleanup was complete. 7. The fishermen either let-out the trawl or heaves-up the trawl during fishing operations . 8. It is assisted by small bancas during the fishing operation . 9. Small sawmills, shipbuilding and fishing operations thrived during the 1800s. 10. Potlatch borders the crab, and salmon harvesting seasons, tribal fishing operations sell their fresh catch.