Geological time  useful microfossil ranges /  [cartographic material] : 
 Useful microfossil ranges  [cartographic material] 
compiled and edited by Penelope C. Nelson, James R. Derby, Norman J. Hyne. 
 - Tulsa, Okla. :  PennWell Publishing,  1985. 
 - 1 chart :  col. ;  94 x 59 cm. 
<br/><br/> Peta Geologi (PG) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geological time--Charts, diagrams, etc<br/>Geology, Stratigraphic--Charts, diagrams, etc.<br/>Micropaleontology--Charts, diagrams, etc.