|
<br />B14
<br />
<br /> 400,000
<br />e-
<br />w
<br />w
<br />~
<br />,
<br />w 300,000
<br />0:
<br /><.)
<br />..
<br />.,
<br />"' 200,000
<br />~
<br />0
<br />z
<br />=>
<br />0:
<br />~ 100,ODO
<br />0:
<br />..
<br />W
<br />>-
<br />
<br />2,000,000
<br />
<br />8 1,600,000
<br />~
<br />,
<br />W
<br />0:
<br /><.)
<br />..
<br />.,
<br />"'
<br />~
<br />o
<br />~ 800,000
<br />0:
<br />~
<br />0:
<br />:5 400,000
<br />>-
<br />
<br />1,200,000
<br />
<br /> 1,200,000
<br /> 1,000,000
<br />e-
<br />w
<br />w
<br />~
<br />,
<br />w 800,000
<br />0:
<br /><.)
<br />..
<br />.,
<br />"' 600,QOO
<br />~
<br />0
<br />z
<br />=>
<br />0:
<br />>- 400,000
<br />~
<br />0:
<br />..
<br />W
<br />>-
<br /> 200,000
<br />
<br />DROUGHT IN THE SOUTHWEST, 1942-56
<br />
<br />
<br />o
<br />1890
<br />
<br />1900 1910 1920 1930 1940 1950 1960
<br />SAN GABRIEL RIVER NEAR AZUSA, CALIF.
<br />
<br />
<br />o
<br />1890
<br />
<br />1900 1910 1920 1930 1940 1950
<br />VERDE RIVER BELOW BARTLETT DAM, ARIZ.
<br />
<br />o
<br />
<br />
<br />1890 1900 1910 1920 1930 1940 1950
<br />RIO GRANDE NEAR DEL NORTE, COLO.
<br />
<br />400,000
<br />
<br />e-
<br />w
<br />w
<br />~
<br />,
<br />~ 300,000
<br /><.)
<br />..
<br />.,
<br />tf 200,000
<br />o
<br />z
<br />=>
<br />0:
<br />~ 100,000
<br />0:
<br />..
<br />W
<br />>-
<br />
<br />50D,000
<br />
<br />.
<br />~ 400,000
<br />~
<br />,
<br />W
<br />0:
<br /><.)
<br />..
<br />.,
<br />"'
<br />~
<br />o
<br />~ 200,000
<br />0:
<br />~
<br />0:
<br />~ 100,000
<br />>-
<br />
<br />300,000
<br />
<br />1960
<br />
<br /> 6,000,000
<br /> 5,000,000
<br />e-
<br />w
<br />w
<br />~
<br />,
<br />w 4,000,000
<br />0:
<br />~
<br />.,
<br />"' 3,000,000
<br />~
<br />0
<br />Z
<br />=>
<br />0:
<br />~ 2,000,000
<br />0:
<br />:5
<br />>-
<br /> 1,000,000
<br />
<br />1960
<br />
<br />
<br />o
<br />1900
<br />
<br />1910 1920 1930 1940 1950
<br />VIRGIN RIVER AT VIRGIN, UTAH
<br />
<br />1960
<br />
<br />
<br />o
<br />1900
<br />
<br />1910 1920 1930 1940 1950
<br />GILA RIVER NEAR RED ROCK, N. MEX.
<br />
<br />1960
<br />
<br />
<br />o
<br />1900
<br />
<br />1910 1920 1930 1940 1950 1960
<br />BRAZOS RIVER AT WACO, TEXAS
<br />
<br />FIOURB 1,- Yearl'y runatl of stuelected streams.
<br />
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