The water encyclopedia :  a compendium of useful information on water resources / 
edited by David Keith Todd 
 - Port Washington :  Water Information Center,  1970 
 - 599 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Supply--Tables, calculations, etc.<br/>Hydrology--Tables, calculations, etc.