CAPILLARY MOVEMENT OE SOIL MOISTURE. 
35 
SOILS USED. 
Table 21 gives a list of the flumes inclined upward at an angle of 
15° and soils contained in each. 
Table 21. — Soils in flumes inclined upward at an angle of 15°. 
Number 
of flume. 
39 
58 
76 
96 
206 
Description. 
Decomposed granite with clay from Riverside, Calif. 
Heavy clay soil from Whittier, Calif. 
Sand and gravel soil from Upland, Calif. 
Lava ash from Idaho. 
Sandy soil from Idaho. 
MOVEMENT OF MOISTURE. 
Figure 5 gives the distance the moisture had moved in the flumes 
at the end of the time indicated. The horizontal element is the time 
in days and the vertical element is the distance in inches. 
90 
80 
10 
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Days 
SO J 
Fig. 5.— Rate of movement of moisture in open flumes 
inclined fifteen degrees upward from the horizontal. 
Figures in circles indicate the points at which that 
number of liters of water had been taken up. 
