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24) California State Department of Water Resources. 

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25) U. S. Department of the Interior. Federal Water 

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26) Doneen, L. D. "A Study of Nitrate and Mineral Constit- 

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27) Doneen, L. D., et al , "Report No. 2 on Agricultural 

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28) United States Department of Agriculture, Agricultural 

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29) Miller, R. S. and C. F. Anderson. "Factors Affecting 

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30) San Joaquin Valley Drainage Advisory Group. Final 

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87 



