Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:railway_line
                                        
                                         | 
                            
| gptkbp:addedToNationalRegisterOfHistoricPlaces | 
                                    
                                        
                                            
                                            1973
                                        
                                        
                                         yes  | 
                            
| gptkbp:architecturalStyle | 
                                    
                                        
                                            
                                            stone arch
                                        
                                        
                                         | 
                            
| gptkbp:country | 
                                    
                                        
                                            gptkb:United_States
                                        
                                         | 
                            
| gptkbp:crosses | 
                                    
                                        
                                            gptkb:Gunpowder_Falls
                                        
                                         | 
                            
| gptkbp:length | 
                                    
                                        
                                            
                                            1,477 feet
                                        
                                        
                                         | 
                            
| gptkbp:location | 
                                    
                                        
                                            gptkb:Baltimore_County,_Maryland
                                        
                                         | 
                            
| gptkbp:material | 
                                    
                                        
                                            gptkb:stone
                                        
                                         | 
                            
| gptkbp:namedAfter | 
                                    
                                        
                                            gptkb:John_Eager_Howard
                                        
                                         | 
                            
| gptkbp:NRHPReferenceNumber | 
                                    
                                        
                                            
                                            73000901
                                        
                                        
                                         | 
                            
| gptkbp:opened | 
                                    
                                        
                                            
                                            1838
                                        
                                        
                                         | 
                            
| gptkbp:partOf | 
                                    
                                        
                                            gptkb:Baltimore_and_Ohio_Railroad
                                        
                                         | 
                            
| gptkbp:significance | 
                                    
                                        
                                            
                                            one of the oldest railroad tunnels in the United States
                                        
                                        
                                         | 
                            
| gptkbp:used_in | 
                                    
                                        
                                            gptkb:CSX_Transportation
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Northern_Central_Railway
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            6
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Howard Tunnel
                                        
                                        
                                         |