Krakel, Dean. <br/><br/>
Downriver :  a yellowstone journey / 
Dean Krakel. 
 - San Francisco :  Sierra Club Books,  1987. 
 - xviii, 250 p. : map ; 22 cm. 
<br/><br/><label>ISBN: </label>0871567083 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yellowstone National Park.<br/>Yellowstone River--Description and travel.<br/>Yellowstone River Valley--History.<br/>Krakel, Dean, 1952---Journeys--Yellowstone River.