Boyer, Diane E. <br/><br/>
Damming Grand Canyon : The 1923 USGS Colorado River Expedition 
Boyer, Diane E. 
 -  Utah State University Press  2007 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780874216653     
<br/><br/><label>Subjects--Topical Terms: </label><br/>History