HYDROLOGY OP NEW YORK 



213 



ciency as developed by the water, the total power becomes 17,248 

 horsepower, of which 570 horsepower was at that time in use at 

 Mount Morris. 1 Probably 17,248 horsepower is too high, because 

 there are a number of wheels in use which do not yield over 50 

 per cent efficiency. 



Fig. 18 Section of power dam on Genesee river at Mount Morris, at north 

 end of same. 



These statistics were gathered in the fall of 1896. Since that 

 time some further extension has been made at Rochester, so that 



iThe power dam at Mount Morris was destroyed by a flood early in 

 1897 and was only rebuilt in 1903. In the meantime, the manufacturing 

 establishments there have been running by steam. Statements are not at 

 hand as to whether all of these establishments are again running by water 

 power. 



