Figure 5.— Photograph of largost hydraulic jot dredgo in use today by the surf clam industry. This is 

 an 84-inch dredge us.'d aboard the 136-ft Gail Borden. Note size of auxiliary gear and deck equip- 

 ment required for the operation of this size dredge. Two 6-inch inside diam. water supply hoses are 

 required for the jetting action of this dredge on tlie bottom. 



