| gptkbp:instanceOf | gptkb:industry 
 | 
                        
                            
                                | gptkbp:addedTo | gptkb:National_Register_of_Historic_Places 
 | 
                        
                            
                                | gptkbp:area | 44 acres 
 | 
                        
                            
                                | gptkbp:builtBy | gptkb:Manhattan_Project 
 | 
                        
                            
                                | gptkbp:completedIn | 1945 
 | 
                        
                            
                                | gptkbp:constructionStartYear | 1943 
 | 
                        
                            
                                | gptkbp:country | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:demolished | 2013 
 | 
                        
                            
                                | gptkbp:demolitionBegan | 2008 
 | 
                        
                            
                                | gptkbp:enrichmentMethod | gaseous diffusion 
 | 
                        
                            
                                | gptkbp:height | 60 feet 
 | 
                        
                            
                                | gptkbp:historicalSignificance | first large-scale gaseous diffusion plant 
 | 
                        
                            
                                | gptkbp:length | 0.5 miles 
 | 
                        
                            
                                | gptkbp:location | gptkb:Oak_Ridge,_Tennessee 
 | 
                        
                            
                                | gptkbp:namedAfter | gptkb:Kellex_Corporation 
 | 
                        
                            
                                | gptkbp:notableEvent | contributed to the development of the first atomic bombs 
 | 
                        
                            
                                | gptkbp:NRHPReferenceNumber | 100005546 
 | 
                        
                            
                                | gptkbp:operatedBy | gptkb:U.S._Department_of_Energy gptkb:Union_Carbide
 
 | 
                        
                            
                                | gptkbp:owner | gptkb:U.S._government 
 | 
                        
                            
                                | gptkbp:partOf | gptkb:Oak_Ridge_Gaseous_Diffusion_Plant 
 | 
                        
                            
                                | gptkbp:purpose | uranium enrichment 
 | 
                        
                            
                                | gptkbp:shape | U-shaped 
 | 
                        
                            
                                | gptkbp:status | demolished 
 | 
                        
                            
                                | gptkbp:usedFor | production of enriched uranium for atomic bombs 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:East_Tennessee_Technology_Park 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | K-25 Building 
 |