Imlay, Ralph W.  1908- <br/><br/>
Some Jurassic ammonites from central Saudi Arabia / 
by Ralph W. Imlay ; prepared in cooperation with the Saudi Arabia Ministry of Petroleum and Mineral Resources and the U. S. National Museum under the sponsorship of the Kingdom of Saudi Arabia and the U. S. Department of State. 
 - Washington:   United States Government Printing Office,   1970.  
 - iii, D17 p., 4 plates :  ill., maps, tables ;  29 cm. 
 - Contributions to Paleontology Geological Survey Professional PaperChapter D  643 .
<br/><br/>Includes bibliographical references (p. D14-D15) and index (p. D17). 
<br/><br/> Description and illustrations of some stratigraphically useful ammonites from Saudi Arabia. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ammonoidea<br/>Paleontology--Jurassic<br/>Paleontology--Saudi Arabia
<br/><br/><label>Dewey Class. No.: </label>560