Areas administered by the National Park Service and related properties, as of january 1 

 - (s.l.) :  (s.e.),  1970 
 - 141 p. 
<br/><br/><label>LCCN: </label>40269 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parques nacionales--E.U.A.
<br/><br/><label>Dewey Class. No.: </label>719.32  / E8