The Colorado River Region and John Wesley Powell / 
by Mary C. Rabbitt...[et al.]. 
 - Washington:   United States Government Printing Office,   1969.  
 - xi, 145 p. :  ill., maps, tables ;  29 cm. 
 -  669 .
<br/><br/>Includes bibliographical references. 
<br/><br/>T. 1 John Wesley Powell: pioneer statesman of Federal science, by Mary C. Rabbitt. -- t. 2 Stratified rocks of the Grand Canyon, by Edwin D. McKee. -- t. 3 Geologic history of the Colorado River, by Charles B. Hunt. -- t. 4 The rapids and the pools: Grand Canyon, by Luna B. Leopold. 
<br/><br/> A collection of papers honoring Powell on the 100th anniversary of his exploration of the Colorado River, 1869-1969. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colorado River Valley (Colorado-Mexico)
<br/><br/><label>Dewey Class. No.: </label>557.881