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TABLE 10.-Hydrology of Gatun Lake watershed, dry season, 1915-Continued.

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Miraflores Lake:

Yearly mean..

Maximum.

Minimum.

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1 Into Miraflores Lake.

TABLE 11.-Hydrology of Miraflores Lake watershed, 1914.

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TABLE 11.-Hydrology of Miraflores Lake watershed, 1914-Continued.

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TABLE 12.-Hydrology of Miraflores Lake watershed, dry season, 1915.1

[Drainage area, 38.5 square miles. 481 Miraflores lockages.]

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1 Dry season months are January, February, March, and April.

2 Includes Miraflores filter plant wash water, 6.1 million cubic feet, 0.6 second-foot.

TABLE NO. 13.-Hydrology of Chagres, 1914.

[Elevations are in feet above sea level and quantities in second-feet.]

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Length of record, 25 years.
Compared with station average (total period) per cent below......

TABLE NO. 14.-Hydrology of Chagres, dry season, 1915.3

[Elevations are in feet above sea level and quantities in second-feet.]

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Percentage of yield at Gatun....

Length of record, 26 years.

Compared with station average (same season) per cent above......

TABLE 15.-Monthly discharge, Chagres River, 1914.

[Alhajuela. Drainage area, 427 square miles.]

Month.

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TABLE 15.-Monthly discharge, Chagres River, 1914-Continued.

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The year.

1 Includes leakages, lockages, pumping, and power.

TABLE 16.-Principal freshets of year 1914, and dry season, 1915.

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TABLE 17.-Monthly maximum, minimum, and mean elevations, Gatun Lake, Miraflores Lake, and Chagres River, 1914.

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January.
February.
March.
April.

84.91 84.03

83.95

83.87

84.22

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84.50 85.08 84.97 84.70 84.84 85.78 84.87 84.73 84.80 85.37 84.92 84.66 84.79 85.45 85.08 84.31 84.75 85.46 83.82 84.80 85.11 84.30 85.01 84.53 84.79 85.64 84.00 84.81 85.30 85.00 84.39 84.75 85.54 83.77 84.75 85.59 84.42 84.71 85.16 84.65 84.92 85.75 84.01 84.90 85.41 84.75 84.93 86.15 84.78 85.51 86.87 84.17 85.48 86.49 84.90 86.19 85.69 85.96 86.85 84.82 85.95 87.23 85.80 86.82 85.75 86.21 87.47 84.84 86.20 86.93 85.88 87.12 86.45 86.84 87.79 85.70 86.82 87.33 86.53

84.51

84.85

84.80

84.10 84.79

84.73

84.57

84.78

85.55

86.02

86.25

86.87

Year.

1 29 days.

87.12 84.03 85.22 87.79

83.77 85.22287.33

28 months.

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