Gogan, Robert. <br/><br/>
Natural wonders 
Robert Gogan. 
 - New York  Regents  c1982. 
 - ix, 52 p.  ill., maps  19 cm. 
 - Regents readers .
<br/><br/> Level 1. Base vocabulary: 300 words.  Descriptions of Niagara Falls, the Grand Canyon, the Mississippi River, Yellowstone National Park, and Yosemite National Park. 
<br/><br/><label>ISBN: </label>0883454513 (pbk.)  1.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers--Natural monuments.