Fisher, Ron,  1938- <br/><br/>
Our threatened inheritance :  natural treasures of the United States / 
by Ron Fisher ; photographed by James P. Blair ; prepared by the Special Publications Division, National Geographic Society. 
 - Washington, D.C. :  The Society,  c1984. 
 - 393, [7] p. :  col. ill., col. maps ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [396] 
<br/><br/><label>ISBN: </label>087044512X 0870445367 (deluxe ed.) 
<br/><br/><label>LCCN: </label>84013976  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature conservation--United States.<br/>National parks and reserves--United States.<br/>Natural areas--United States.<br/>Public lands--United States.
<br/><br/><label>LC Class. No.: </label>QH76  / .F57 1984 
<br/><br/><label>Dewey Class. No.: </label>