Computations | 
‘Bescription of Channeis Experiments in Florida . 
UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 832 
Contribution from the Bureau of Public Roads. 
THOS. H. MACDONALD, Chief 
"Washington, D.C. PROFESSIONAL PAPER __ June 7, 1920 
THE FLOW OF WATER IN DREDGED 
DRAINAGE DITCHES 
THE RESULTS OF EXPERIMENTS TO DETERMINE 
THE ROUGHNESS COEFFICIENT, n, IN KUTTER’S 
FORMULA 
By 
C. E. RAMSER, Senior Drainage Engineer 
CONTENTS 
Descriptien of Experiments—Continued 
Experiments in Western Tennessee. 
Experiments in Western Iowa . . 
Tabulated Results ’ Experiments in North Carolina . . 
Accuracy of Results . . ..°* « « « Variation of m with Stage .. 
Description of Experiments .. sine Application of Results . 
Experiments im Lee County, Miss. . Conclusions . 
Experimentsin Bolivar County, Miss. 
e 
. 
s 
s 
_ WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1920 
