SEWAGE CONTAMINATION OF OYSTER BEDS. 



203 



varying in depth from 6 to 20 feet at low tide. Below Conimicut 

 Point the river is fultv 3 miles in width, and has free communication 



PROVIDENCE RIVER 



AND 



NARRAGANSETT BAY 



SHOWING LOCATIONS 



with both the Eastern and Western passages of the bay, insuring a 

 good circuhition of water at all times; but above this point it is scarcel}'' 



