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<br /> .1 ,2 .3 .5 ') 5 10 20 <br /> ,. <br /> 50 50 <br /> 30 30 <br />!- <br />Z <br />w 20 20 <br />'u <br />a: <br />w <br />0- <br />Z <br /> 10 10 <br />w <br />0- <br />0 <br />-' <br />(/') <br />w 5 5 <br />u <br />a: <br />:;:) <br />0 <br />u 3 3 <br />a: <br />w <br />~ <br />:;: 2 2 <br /> <br />,5 <br />.1 <br /> <br /> <br />,2 <br /> <br />,3 <br /> <br />.5 I ~~ 3 <br /> <br />5 <br /> <br />10 <br /> <br />,5 <br />20 <br /> <br />VELOCITY I~I FEET ISECOND <br /> <br />Figure 4.4.1.4-1 AVERAGE VELOCITIES FOR: ESTIMATING TRAVEL <br />TIME FOR OVERU,ND I~LOW. <br />(From: USDA 1 Soil Gonserva1,jan Service I 1977) <br /> <br />~ <br /> <br />4.4---l/r, <br />