U. S. B. F.— Doc. 962. 



Fig. 28. — This dredge was used for digging clams along tlie coast of tfic Ten Tliousand Islands, 

 ria., and until September, 1922, when a second dredge was put in operation, it was the only 

 one of its kind in existence. As pictured, the dredge was stationed at Marco for repairs. 



Fig. 2!t.— I III' ilnrk of the Marco clam cannery and freight boat ready to leave for Key West 

 with a cargo of canned clam products. At Key West the cases of clams are placed aboard a 

 coastwise steamship for delivery in New York. 



