Jerry Yorks Ridge - This lies just inside and paralleling Jeffreys Ledge WNW. from its shoal water and about 5 miles distant from the ledge and about 18 miles SE. by S. ½ S. from Cape Porpoise. This ground has from 45 to 48 fathoms of water on a rocky. broken bottom. It is about 5 miles long, NNE. and SSW., and averages 1 1/2 miles wide. This is a good cod and haddock ground In the fall and up to January, these fish returning here in the spring months.