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					|  |  | Used with permission of the United States Postal Service©.  All rights reserved. |  | Photo (detail):
							
							Seth Gaines |  |  |  | 
				
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						| "Oil Refining" |  | 1940 |  | Wood carving, 
							
							
								painted wood |  | Nena de Brennecke
                                    , sculptor |  | Program: Treasury Art Project (TRAP) |  | Location: Lobby |  | There are three pieces |  |  |  |  |  
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