National parks  [electronic resource]. 

 - [Washington, D.C.] :  [National Parks & Conservation Association],  [�1980]- 
 - Quarterly,  2004- 
 - Monthly,  1981-June 1981 Bimonthly,  July/Aug. 1981-2003 
 - [Vol. 55, no. 1] (Jan. 1981)- 
<br/><br/> Title from cover. 
<br/><br/> License restrictions may limit access. 
<br/><br/>Published by: 1981-1999, National Parks and Conservation Association; 2000-, National Parks Conservation Association. 
<br/><br/><label>ISSN: </label>
 = National parks  (Washington, D.C.) 
 = Natl. parks  (Washington, D.C.) 
<br/><br/><label>Source: </label> National Parks Conservation Association, 1300 19th St., N.W., Suite 300, Washington, DC 20036 
<br/><br/><label>LCCN: </label>81643416  
<br/><br/><label>Nat. Bib. No.: </label>013356747  dnb 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>013356747  DE-101 589676-9  DE-600 012416818  Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National parks and reserves--United States--Periodicals.<br/>Conservation of natural resources--United States--Periodicals.<br/>Nature conservation--Law and legislation--United States--Periodicals.<br/>Conservation des ressources naturelles--�Etats-Unis--P�eriodiques.<br/>Parcs nationaux--�Etats-Unis--P�eriodiques.<br/>Conservation of natural resources.<br/>National parks and reserves.<br/>Nature conservation--Law and legislation.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic journals.
<br/><br/><label>LC Class. No.: </label>SB482.A4  / N377 
<br/><br/><label>Dewey Class. No.: </label>333.78/3/0973 
<br/><br/><label>National Agricultural Library Call No.: </label>98.69  / N21