Whetstone G W Ed. <br/><br/>
Hydrologic information systems 

 -  1972 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>47466 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Action of water<br/> Hydrology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H422, L22