. Commercial fisheries review. Fisheries; Fish trade. Forward trawl door ready to be dropped over the side. The after door follows immediately. The doors, set at opposite angles, serve to hold the sides of the net open when towed along the ocean The two lines that tow the trawl are brought together in the tow- ing block near the stern of the vessel, and the vessel now be- gins the tow. Towing time de- pends upon the abundance of fish and type of bottom. Time varies from 20 to 90 minutes. HAULING IN THE CATCH. Please note that these images are extracted from scanned page images that ma
. Commercial fisheries review. Fisheries; Fish trade. Forward trawl door ready to be dropped over the side. The after door follows immediately. The doors, set at opposite angles, serve to hold the sides of the net open when towed along the ocean The two lines that tow the trawl are brought together in the tow- ing block near the stern of the vessel, and the vessel now be- gins the tow. Towing time de- pends upon the abundance of fish and type of bottom. Time varies from 20 to 90 minutes. HAULING IN THE CATCH. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. National Marine Fisheries Service; U. S. Fish and Wildlife Service; United States. Bureau of Commericial Fisheries. [Washington] : National Marine Fisheries Service; [for sale by the Supt. of Docs. , U. S. Govt. Print. Off. ]
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Keywords: ., book, bookcentury1900, booksubjectfisheries, booksubjectfishtrade
