Goetzmann, William H. <br/><br/>
Exploration and empire :  the explorer and the scientist in the winning of the American west / 
by William H. Goetzmann. 
 - New York, N.Y. :  W.W. Norton & Company,  1978. 
 - xxii, 656 p. : ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0393008819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>The West--Discovery and exploration.