Mineral resources of the United States 

 - Washington, D.C.  Government Printing Office  1884-1819 
 -  tbls. 
<br/><br/> La Biblioteca tiene los aņos: 1901-1920, 1922, 1924-1931 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RECURSOS MINERALES
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS
<br/><br/><label>Universal Decimal Class. No.: </label>A/557.3/E92