WATER-POWERS OF .ALABAMA. 



91 



Minimum monthly discharge of the Alabama River at Selma, Ala., 

 with corresponding net horsepower per foot of fall on a water 

 wheel realizing 80 per cent, of the theoretical power. 



[Drainage area, 15,400 square miles.] 



NOTE. To find the minimum net horse power available at a shoal 

 on this stream, near this station, for any month, multiply the total 

 fall of the shoal by the "Net H. P. per foot of fall" in this table for 

 that month. 



5. MISCELLANEOUS DISCHARGE MEASUREMENTS 

 Made by B. M. Hall, and Assistants, on Tributaries of Coosa River. 



1898. 



May 26 Choccolocco Creek, Eureka; discharge, 171 second-feet; 

 low water. 

 1900. 



March 15 Talladega Creek. Kymulga postoffice; discharge, 107 

 second-feet; medium. 



March 16 Tallassahiatchee Creek, in Talladega county, Childers- 

 burg; discharge, 102 second-feet. 



March 17 Hatchet Creek, Good water; discharge, 84 second-feet. 



April 5 Choccolocco Creek, L. & N. R. R. bridge, near Jenifer; 

 discharge, 1,170 second-feet; high water. 



Oct. 16 Big Wills Creek, Wesson's Mill, 2 miles north of At- 

 talla; discharge, 107 second-feet; low water. 



