Rankin, Charles Harry,  1901- <br/><br/>
Stratigraphy of the Colorado group, upper Cretaceous, in northern New Mexico, 
by Charles H. Rankin. 
 - Socorro, N.M.,  1944. 
 - 30 p.  front., fold. plates, fold. map.  23 cm. 
 - Bulletin  no. 20 .
 - Bulletin (New Mexico. Bureau of Mines and Mineral Resources) ;  no. 20. .
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 44000045  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Cretaceous.<br/>Geology--New Mexico.
<br/><br/><label>LC Class. No.: </label>TN24.N6  / A232 no. 20 
<br/><br/><label>Dewey Class. No.: </label>551.77