Gaines, Ann. <br/><br/>
John Wesley Powell and the great surveys of the American West / 

 - New York :  Chelsea House Publishers,  c1991. 
 - 135 p. :  ill. (some col.) ;  24 cm. 
 - World explorers .
<br/><br/>Includes bibliographical references (p. 130-130) and index. 
<br/><br/> A biography of the geologist who first explored the Colorado River and the Grand Canyon. 
<br/><br/><label>ISBN: </label>0791013189 
<br/><br/><label>LCCN: </label>91028329  
<br/><br/><label>Subjects--Personal Names: </label><br/>Powell, John Wesley, 1834-1902 --Juvenile literature.<br/>Powell, John Wesley, 1834-1902. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Explorers--Biography--Juvenile literature.--United States<br/>Explorers.<br/>Geologists.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Colorado River (Colo.-Mexico)--Discovery and exploration--Juvenile literature.<br/>Grand Canyon (Ariz.)--Discovery and exploration--Juvenile literature.<br/>West (U.S.)--Discovery and exploration--Juvenile literature.<br/>Colorado River (Colo.-Mexico)--Discovery and exploration.<br/>Grand Canyon (Ariz.)--Discovery and exploration.<br/>West (U.S.)--Discovery and exploration.
<br/><br/><label>LC Class. No.: </label>F788.P93  / G35 1992 
<br/><br/><label>Dewey Class. No.: </label>979.1/3