U. S. B. F. — Doc, 890. 



Plate XVIII. 



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FIG. t.— OYSTER FLEET OPERATING FROM CAMBRIDGE, MD., LYING IN HARBOR. 



Cambridge is only one of the several important oyster centers on Chesapeake Bay. (Photo 

 from Prof. E. N. Cory, Maryland State University.) 



FIG. 2.— ONE OF THE TWO LARGEST OYSTER STEAMERS IN THE WORLD, BOTH 

 OWNED BY A NEW ENGLAND COMPANY. 



Three dredges lifting 30 bushels each are operated on each side. The capacity of the steamer 

 is 8,000 bushels per day. (Photo from H. C. Row/e Co.) 



