Trails West : 
Prepared by the Special Publications Division, National Geographic Society, Washington, D.C. 
 - Washington :   National Geographic Society,   1983. 
 - 207 p.:  ill.;  26 cm. 
<br/><br/>Index, p. 204-207 
<br/><br/><label>ISBN: </label>0-87044-272-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography<br/>Hiking trails -- --United States