Contribution to paleontology :  fossil floras of Yellowstone National Park and Southeastern Oregon. 

 - Washington :  Carnegie Institution,  1933. 
 - 68 p. :  il. ;  25 cm 
 - Carnegie Inst. Publ  416 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontología<br/>Paleobotánica
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Oregon<br/>Parque Nacional Yellowstone
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Seriemon
<br/><br/><label>Universal Decimal Class. No.: </label>561(787)