Untermann, Richard K. <br/><br/>
Principles and practices of grading, drainage and road alignment :  an ecologic approach / 
Richard K. Untermann 
 - Virginia :  Reston Publishing Company,  1978 
<br/><br/>Includes references & index. 
<br/><br/><label>ISBN: </label>0879096411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drainage design 
<br/><br/><label>Dewey Class. No.: </label>625.75  / UNT