Barrera, Tomás,  1895- <br/><br/>
Guía geológica de Oaxaca. 

 - México,  1946. 
 - 101 p.  illus., 5 maps (in separate pocket) diagrs.  23 cm. 
<br/><br/> At head of title: Universidad Nacional Autónoma de México. Instituto de Geología.  Part of the illustrative matter is folded. 
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 48000102 //r90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Mexico--Oaxaca.
<br/><br/><label>LC Class. No.: </label>QE203.O2  / B3 
<br/><br/><label>Dewey Class. No.: </label>557.2