Singewald, Joseph Theophilus <br/><br/>
Ore deposition in the Bolivian tin-silver deposits: discussion 

 - Lancaster, PA  Society of Economic Geologists  January 1921 
 - pp. 60-69  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTAŅO<br/>GENESIS-YACIMIENTO<br/>GEOLOGIA ECONOMICA<br/>PLATA<br/>SULFUROS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>BOLIVIA<br/>COLQUECHACA
<br/><br/><label>Subjects--Index Terms: </label>CARMEN, MINA PORVENIR, MINA SAN FRANCISCO, MINA