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J. 8. Brotvn — Relation of Sea Water 



From the evidence set forth above and that given by 

 other writers the conclnsion seems warranted that sea 

 water mingles with the shallow ground water over only 

 a narrow area near the shore line. Wherever the natural 

 conditions are disturbed, however, as through a heavy 



Fig. 1. 



Fig. 1. — Open water hole yielding fresh water on the beach of a small 

 island near Cedar Keys, Fla. 



drain on the ground water by pumping, conditions are 

 immediately altered and sea water may be drawn great 

 distances inland. Also, although data on the matter are 

 lacking, it would be logical to suppose that on arid coasts, 

 where the rainfall is insufficient to maintain a body of 

 ground water, sea water would penetrate a much greater 

 distance inland than in humid regions. Undoubtedly, too, 



