Asher-Bolinder, Sigrid <br/><br/>
Stratigraphy of reference sections in the Popotosa formation, Socorro County, New Mexico / 
by Sigrid Asher-Bolinder 
 - Washington, D.C. :  United States Government Printing Office,  1988 
 - iii, 22 p. :  ill., maps ;  28 cm. 
 - U.S. Geological Survey bulletin ;  1800 .
<br/><br/> One ill. on folded leaf in pocket 
<br/><br/>Bibliography: p. 21-22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Tertiary<br/>Geology--New Mexico--Socorro County
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Popotosa Formation (N.M.)
<br/><br/><label>Dewey Class. No.: </label>551.700978962