90| 3.00| 0.38| 10| 3 | 1 | 1,000| 70| 20
|Washed.
Feb. 12|49.10| 1.29| 2.99| 0.38| 8| 2 | 1 | 750| 20| 16
Feb. 13|50.00| 1.50| 2.99| 0.39| 9| 2 | 1 | 700| 40| 11
Feb. 14|50.00| 1.80| 2.99| 0.39| 9| 2 | 1 | 1,200| 39| 7
Feb. 15|49.10| 2.35| 3.00| 0.39| 61| 13 | 1 | 5,500| 600| 7
Feb. 16|49.10| 3.28| 2.99| 0.39| 80| 30 | 2 | Sunday.
Feb. 17|48.20| 4.85| 2.99| 0.39| 80| 29 | 3 |33,000| 3,800| 130
Feb. 18|47.30| 6.39| 2.99| 0.39| 130| 44 | 3 | --- | 2,600| 160
Feb. 19|45.50| 7.32| 2.98| 0.40| 320| 143 | 6 |28,000| 6,000| 180
|Washed.
Feb. 22|50.00| 1.40| 3.00| 0.41| 85| 30 | 5 | Holiday.
Feb. 23|50.00| 1.77| 3.00| 0.41| 60| 21 | 4 | Sunday.
Feb. 24|49.10| 2.25| 2.99| 0.41| 46| 14 | 3 | 3,600| 2,800| 90
Feb. 25|50.00| 2.61| 3.00| 0.41| 31| 7 | 2 | 2,300| 140| 47
Feb. 26|50.00| 3.06| 3.00| 0.41| 30| 6 | 2 | 3,800| 140| 45
Feb. 27|48.20| 3.65| 2.99| 0.41| 30| 5 | 1 | 1,300| 100| 22
Feb. 28|50.00| 4.24| 3.00| 0.41| 37| 6 | 1 | 1,400| 100| 40
Feb. 29|48.20| 5.28| 2.99| 0.41| 123| 52 | 2 |13,500| 420| 40
|Washed.
-------+-----+-----+-----+-----+-----+-----+-----+------+------+------
Mar. 1|44.60| 1.56| 2.99| 0.42| 97| 39 | 5 | Sunday.
Mar. 2|48.20| 2.90| 2.99| 0.42| 82| 30 | 4 | 8,000| 320| 60
Mar. 3|46.40| 4.69| 2.98| 0.42| 87| 33 | 4 |11,000| 750| 30
Mar. 4|47.30| 6.13| 2.99| 0.42| 67| 24 | 3 | 6,000| 290| 34
Mar. 5|48.20| 7.31| 2.99| 0.42| 59| 19 | 3 | 4,400| 220| 41
|Washed.
Mar. 6|49.10| 1.53| 2.99| 0.42| 72| 24 | 2 | 7,000| 170| 41
Mar. 7|50.00| 1.95| 3.00| 0.43| 82| 30 | 2 | 9,500| 210| 34
Mar. 8|49.10| 2.62| 2.99| 0.43| 92| 37 | 3 | Sunday.
Mar. 9|50.00| 3.19| 3.00| 0.43| 125| 56 | 4 |11,000| 700| 65
Mar. 10|Preliminary filter discontinued and the Puech system started.
=======+=====+=====+=====+=====+=====+=====+=====+======+======+======

~Table 17--Record of Experimental Filter,
Puech system~.--(_Continued._)

Columns:
A - Rates, millions of gallons per acre daily.
B - Rate, millions of gallons per acre daily.
C - Loss of head.
D - Applied water.
E - Effluent, preliminary filter.
F - Eff