Rainfall-runoff relationship ______________________ _ Description and sources of basic data_____ _ _ _ _ _ _ _ _ _ 4 Volume of direct runoff from the sewered parts of the Related investigations___________________________

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Aenal photograph of the Westbury recharge basm and tts dramage area_ 11 Photograph showmg locatwn of hydrologtc mstruments used to collect data on prec1pltat10n, mflow, water storage, and water-table fluctuatiOns at Westbury

iii 15 7-20. Graphs showing 7. Effect of changing the dispersion coefficient, E, on the chloride profile of Crystal River. 33 8. Effect of changing the dispersion coefficient, E, on the chloride profile of Homosassa River 34 9. Effect of changing the dispersion coefficient, E, on the chloride profile of Cross Bayou... 35 10. Effect of changing the dispersion coefficient, E, on the chloride profile of Anclote River.

No abstract