Herron, W. H. <br/><br/>
Profile Surveys in the Colorado River basin in wyoming, UTAH, colorado, and New MÚxico 

 - Washington  Government Printing Office  1917 
 - pag. Varia 
<br/><br/> Impreso 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA