WSP01037

• File Number: 8277.400.200
• Description: Lower Virgin River Project
• State: NV
• Basin: Colorado Mainstem
• Date: 6/1/1977
• Title: The Virgin River Basin Study: A Regional Approach to Multiobjective Planning for Water and Related Resources
• Water Supply Pro - Doc Type: Report/Study

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LIST OF FIGURES

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1 Virgin River Basin water quality station.. .............................,........ .32

2 Computed and gaged streamflow at Littlefield, 1971 and 1972. . . . . . . . . . . . . . , . . . . . . .37
3 Computed and gaged salt outflow at Littlefield, 1971 and 1972. . . . . . . . . . . . . . . . . . . . . .37
4 Computed and expected sediment yield at Littlefield, 1971 and 1972.. . . . . . . . . . . . . , . .37
5 Computed and gaged streamflow at Littlefield, 1973. .............................38
6 Computed and gaged salt outflow at Littlefield, 1973.........,....................38

7 Computed and recorded water outflow of Hurricane, Utah. . . . . . . . . . . . . . . . . . . . . . . . .39

8 Computed and recorded sediment outflow of Hurricane, Utah. . . . . . . . . . . . . . . . . . . . . .39

9 Computed and recorded water outflow of Hurricane, Utah. . . . . . . . . . . . . . . . . . . . . . . . .40

10 Computed and recorded sediment outflow of Hurricane, Utah. . . . . . . . . . . . . . . . . . . . . .4Q

11 Tota1 salt outflow at Littlefield. ................................................42

12 Tota1 routed deep percolation salt at Littlefield.. ................................ .42

13 Total salt outflow at Littlefield with Warner Valley Reservoir. . . . . . . . . . . . . . . . . . . . . . 42

14 Diagrammatic representation of the programming model. . . . . . . . . . . . . . . . . . . . . . . . . .47

15 Operation flow in PROPDEMMIl. ............................................ .57

16 Iterative process to formulate planning policy model and establish

data requirements.. ..............,.".....................................,..66

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