T3) 



UMNOLOGICAL ASPECTS 



OF 



WATER SUPPLY AND WASTE DISPOSAL 



Publication of the American Association 

 for the Advancement of Science 



Edited by 



F. R. MOULTON 



and 

 Florence Hitzel 



American Association for the Advancement of Science 



1515 Massachusetts Avenue, N.W., Washington 5, D. C. 



1949 



