Simmons, George Clarke  1923- <br/><br/>
Geology and Iron deposits of the western Serra do Curral, Minas Gerais, Brazil / 
by George C. Simmons. 
 -- Washington :   United States Government Printing Office,   1968 
 - 53 p. + 4 map. -- 
 (Geological Survey Professional Paper  ;  341-G).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Depósitos de minerales<br/>Geología<br/>Minas Gerais ( Brazil )
<br/><br/><label>Universal Decimal Class. No.: </label>553(815.1)