Finlay, James Ralph,  1869-, <br/><br/>
The cost of mining :  An exhibit of the results of important mines throughout the world / 
By James Ralph finlay. 
 - 415 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería de minas
<br/><br/><label>LC Class. No.: </label>TN153  / F6