Demrow, Carl <br/><br/>
The complete guide to trail building and maintenance / 
Carl Demrow & David Salisbury. 
 - 3rd edition 
 - Boston :  Appalachian Mountain Club Books,   1998, c1981. 
 - 245 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>1878239546 
<br/><br/><label>Dewey Class. No.: </label>333.72