100 



PROCEEDINGS OF THE CANADIAN INSTITUTE. 



Nashville the river with its numerous windings is 327 miles and a di- 

 rect line drawn between the two places would not be longer than 1 50 

 miles. 



The fall of the river from Port Burnside to Nashville is only 228 

 feet, or an average of about eight inches per mile for the whole dis- 

 tance. Of this fall, however, 99 feet is obtained in the first 130 

 miles from Port Burnside to the Tennessee State line, and 40 feet 

 within the next 5U miles. 



Slope of the Cumberland River from Port Burnside to Nashville, 

 from a Survey made by the U.S. Engineer Corps. 



Port Burnside to State Line 



State Line to Salt Lick Shoal . . . , 

 Salt Lick Shoal to Niagara Island. 

 Niagara Island to Double Island . 

 Double Island to Mansker's Island 

 Mansker's Island to Nashville . . . , 



Dist'nce 



MILES 



130 

 46 



24 

 31 



327 



The average depth of water is about 10.6 feet. The highest water 

 during the last sixteen years was 54.6 feet in January 1882, and the 

 lowest 0.4 below the zero gauge in October 1876. The highest 

 average of depth is 21.3 feet for Febuary, and the month shewing the 

 lowest is OctoV)er with an average of 2.3 feet. 



