240 



UNIVERSITY OF COLORADO STUDIES 



Group No. 4 



n = 0.0238 to 0.0260 



The channels of this group were characterized by the gravel and rocks in their beds. 



Character of Channel 



Dis- 

 charge 



Area 

 Water 

 Section 



Mean 

 Vel. 



Slope 



Coarse gravel; edges irregular with some willow 

 roots 



Coarse gravel; smooth, lined with sediment . . . 



Sides uneven; bed covered with coarse flat 

 rocks; no vegetation 



Ditto 



7.6 

 60.2 



5-7 

 1.6 



2.6 

 30.6 



3-5 

 1.9 



2-93 

 1.97 



1. 61 

 0.84 



.00616 

 .0006 



.0016 

 .0013 



.0238 

 .0246 



.0247 

 .0260 



Group No. 5 



71=0.0293 to 0.0319 



The ditches of this group were in poor condition, as the result of neglect. 



Character of Channel 



Clay; cross-section not uniform; grass along 

 edge 



Ditto 



Narrow boards at sides; bottom coarse gravel . . 



Bed cobblestones; sides overgrown with alfalfa 

 and weeds 



Dis- 

 charge 



7.8 

 1 .1 



2-5 



Area 

 Water 

 Section 



4.8 



12.8 



1-4 



2.8 



Mean 

 Vel. 



1 .69 

 0.61 



o-75 



Slope 



•0033 

 . 0001 7 

 .00113 



.0014 



.0293 

 .0295 

 .0310 



.0319 



Group No. 6 



m = 0.0329 to 0.0365 



Channels irregular with rough banks. 



Character of Channel 



Cobblestones covered with silt; edges made 



irregular by cattle tracks 



Loose coarse gravel 



Gravel; "horse tail moss" over £ of perimeter 

 Coarse rock 



Dis- 

 charge 



i-3 



0.9 

 24.6 



Area 

 Water 

 Section 



29.1 

 0.8 



Mean 

 Vel. 



0.43 

 1-35 

 0.84 

 1 .02 



Slope 



.00035 

 .00991 

 • 00033 

 .0121 



.0329 

 •0337 

 •0352 

 •0365 



