Knowlton, Frank Hall,  1860-1926. <br/><br/>
The flora of the Denver and associated formations of Colorado / 
by Frank Hall Knowlton ; a posthumous work edited by Edward Wilber Berry. 
 - Washington :  U.S. Gov't. Print. Off.,  1930. 
 - 142 p., 2 l :  ill., plates ;  30 cm. 
<br/><br/> At head of title: United States Department of the Interior. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>gs 30000137  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleobotany--Colorado.<br/>Paleontology--Cretaceous.<br/>Paleontology--Tertiary.
<br/><br/><label>LC Class. No.: </label>QE924  / .K68 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:155