Victor Mockus <br/><br/>
Hydrology  - National Engineering Handbook 

 - U.S. Department of Agriculture 
 - 500p.  fig. 
 -  Section 4 .
<br/><br/><label>Nat. Bib. No.: </label>3349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences & geology
<br/><br/><label>Universal Decimal Class. No.: </label>551.48/.49  / HYD