McCaskey, H.D. <br/><br/>
Mineral production of the United States in 1917. 

 - Washington, D.C.  Government Printing Office  1920 
 - pp. 17a-76a 
 - Mineral Resources of the United States, 1917-Part I .
<br/><br/> Impreso 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA
<br/><br/><label>Subjects--Index Terms: </label>PRODUCCION DE MINERALES 
<br/><br/><label>Dewey Class. No.: </label>547