White, David <br/><br/>
Flora of the hermit shale Grand Canyon, Arizona. 

 - Washington :  Carnegie Institution,  1929. 
 - 118 p. :  il. ;  25 cm 
 - Carnegie Inst. Publ  405 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontología<br/>Paleobotánica
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Arizona<br/>Gran Cañón
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Seriemon
<br/><br/><label>Universal Decimal Class. No.: </label>561(791)