Brinsmade, Robert Bruce,  1873-1936, <br/><br/>
Mining without timber / 
By Robert Bruce brinsmade 
 - 309 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingeniería de minas
<br/><br/><label>LC Class. No.: </label>TN275  / B78