Jillson, Willard Rouse,  1890- <br/><br/>
A bibliography of the geology and paleontology of the John Day region, Oregon, 
by Willard Rouse Jillson ... 102 titles. 
 - Frankfort, Ky.  [State Journal Company]  1923. 
 - 13 p.  17 cm. 
<br/><br/><label>LCCN: </label>gs 23000096  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Oregon--Bibliography.<br/>Paleontology--Oregon--Bibliography.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>John Day Region (Or.)--Bibliography.
<br/><br/><label>LC Class. No.: </label>Z6034.U5  / O83