Gordon, Mackenzie  1913- <br/><br/>
Late Mississippian gastropods of the Chainman Shale, west-central Utah / 
by Mackenzie Gordon, Jr. and Ellis L. Yochelson. 
 - Washington:   U. S. Government Printing Office,   1987.  
 - iv, 112 p., 9 plates :  ill., maps ;  29 cm. 
 -  1368 .
<br/><br/> Descriptions, geographic and stratigraphic distribution, and illustrations of 79 species of gastropods in eight assemblages, which are aquated with established ammonoid and foraminiferal zones. 
<br/><br/>Includes bibliographical references (p. 104-106) and index (p. 107-112). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastropoda, Fossil<br/>Paleontology--Mississippian<br/>Shale--Utah
<br/><br/><label>Dewey Class. No.: </label>564.3