Wenrich, Karen J. <br/><br/>
The potential of breccia pipes in the National Tank Area, Hualapai Indian Reservation, Arizona / 
by Karen J. Wenrich, George H. Billingsley and Bradley S. Van Gosen. 
 - [Washington]:   [United States Government Printing Office],   [1989].  
 - iv, B34 p. :  ill., maps, tables ;  28 cm. 
 -  1683 Breccia Pipes in Northern ArizonaChapter B .
<br/><br/>Includes bibliographical references (p. B33-B34). 
<br/><br/> This research was funded by the bureau of Indian Affairs in cooperation with the Hualapai Indian Tribe. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geological survey--United States--Arizona
<br/><br/><label>Dewey Class. No.: </label>551