Mar. 13,1916 
A New Irrigation Weir 
1137 
Table II .—Computed discharges for the new irrigation weirs 
[Computed from the formula ( 2 = (3-83—0.07 L) LA( 1 - 52+0 * 01 ^] 
Head. 
Length of weir crest. 
■tieaa. 
1 foot. 
1.5 feet. 
2 feet. 
3 feet. 
4 feet. 
Feet . 
O. 20 
F/. 
0 
in. 
0. 320 
O. 472 
0. 619 
0. 896 
i- J 5 
. 21 
0 
2X 
•345 
• 509 
.667 
. 966 
1. 24 
, 22 
O 
2H 
• 37 i 
•547 
.717 
1. 04 
i- 34 
•23 
0 
•397 
.586 
. 768 
1. 11 
1-43 
.24 
0 
2 ]/i 
.424 
. 625 
. 820 
1. 19 
i- 53 
•25 
0 
3 , 
.451 
. 665 
.873 
1. 27 
1. 63 
. 26 
0 
3X 
•479 
. 707 
•927 
i- 34 
1. 74 
.27 
0 
3X 
• 507 
• 749 
. 982 
1. 43 
1. 84 
. 28 
0 
3H 
• 536 
• 792 
I. 04 
i- 5 i 
i *95 
.29 
0 
3 X 
.566 
.836 
I, IO 
i- 59 
2. 06 
•30 
0 
3 X 
• 596 
.880 
I. 16 
1. 68 
2.17 
•31 
0 
1 
.626 
. 926 
I. 22 
1.77 
2. 28 
•32 
0 
.658 
.972 
I. 28 
1. 86 
2. 40 
•33 
0 
. 690 
1. 02 
I- 34 
i- 95 
2. 52 
•34 
0 
4 A 
. 722 
1. 07 
I. 40 
2. 04 
2. 64 
■35 
0 
aN 
• 754 
1. 12 
1. 47 
2.13 
2, 76 
.36 
0 
an 
. 788' 
1. 16 
*• 53 
2. 23 
2.88 
•37 
0 
Alt 
. 822 
1. 21 
1. 60 
2. 33 
3. 01 
•33 
0 
4A 
.856 
1. 27 
1. 66 
2. 42 
3 - i 4 
•39 
0 
4 « 
. 890 
1. 32 
i- 73 
2. 52 
3 1 27 
.40 
0 
Att 
•925 
i -37 
1. 80 
2. 62 
3 - 40 
.41 
0 
4 « 
. 961 
1. 42 
1. 87 
2. 73 
3 - 53 
.42 
0 
5 tj 
•997 
1. 48 
1. 94 
2. 83 
3 - 67 
•43 
0 
sA 
1. 03 
i- 53 
2. 01 
2. 94 
3. 81 
.44 
0 
sX 
1. 07 
i* 58 
2. 08 
3.04 • 
3-94 
•45 
0 
5 X 
1. 11 
1. 64 
2. 16 
3 - 15 
4.09 
.46 
0 
sx 
i- 15 
1, 70 
2. 23 
3. 26 
4-23 
•47 
0 
s 5 A 
1. 18 
i- 75 
2.31 
3-37 
4-37 
.48 
0 
sK 
1. 22 
1. 81 
38 
3 - 48 
4 * S 2 
.49 
0 
5 7 A 
1. 26 
1.87 
2. 46 
3 - 59 
4.67 
• 50 
0 
6 
1. 30 
i -93 
2. 54 
3 - 7 i 
4. 82 
• 5 i 
0 
6 X 
1. 34 
1. 99 
2. 62 
3. 82 
4-97 
*52 
0 
6% 
1. 38 
2. 05 
2. 70 
3 - 94 
5 -12 
•53 
0 
6 X 
1. 42 
2. 11 
2. 78 
4. 06 
5-27 
•54 
0 
6X 
1. 46 
2.17 
2. 86 
4. 18 
5-43 
•55 
0 
6 X 
i- 5 r 
2. 23 
2. 94 
4-30 
5 - 59 
• 56 
0 
6H 
i- 55 
2. 29 
3. 02 
4.42 
5 - 75 
•57 
0 
6-J-j 
i- 59 
' 2.36 
3 - 11 
4-54 
5 - 9 i 
.58 
0 
7 * 
1. 63 
2. 42 
3 - 19 
4.67 
6, 07 
■ 59 
0 
1. 68 
2.49 
3-27 
4 - 79 
6. 23 
. 60 
0 
7 A 
1. 72 
2- 55 
3 - 36 
4.92 
6. 4a 
. 61 
0 
7 * 
1. 76 
2. 62 
3 - 45 
5 * 05 
6- 57 
. 62 
0 
7 A 
1. 81 
2. 68 
3 - 53 
5 -18 
6.74 
•63 
0 
7 A 
1. 85 
2-75 
3. 62 
5 - 3 i 
6. 91 
. 64 
0 
7 tt 
1. 90 
2. 82 
3 - 7 1 
5-44 
7. 08 
•65 
0 
7 ff 
i- 95 
2. 88 
3.80 
5 - 57 
7-25 
.66 
0 
7 « 
l 99 
2. 95 
3-89 
5 - 70 
7-43 
.67 
0 
8Ar 
2. 04 
3. 02 
3 - 98 
5-84 
7. 60 
.68 
0 
8A 
2. 08 
3-°9 
4. 08 
5 - 97 
7.78 
.69 
0 
8J< 
2. 13 
3. 16 
4 . 17 
6.11 
7 - 9 6 ' 
