| gptkbp:instanceOf | gptkb:river 
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                                | gptkbp:basinSize | gptkb:Monongahela_River_Basin 7,340 square miles
 
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                                | gptkbp:crosses | gptkb:Interstate_79 gptkb:Interstate_376
 
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                                | gptkbp:flowsThrough | gptkb:Ohio_River 
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                                | gptkbp:formedByConfluenceOf | gptkb:Tygart_Valley_River gptkb:West_Fork_River
 
 | 
                        
                            
                                | gptkbp:hasLock | gptkb:Charleroi_Lock_and_Dam gptkb:Elizabeth_Lock_and_Dam
 gptkb:Grays_Landing_Lock_and_Dam
 gptkb:Maxwell_Lock_and_Dam
 gptkb:Braddock_Locks_and_Dam
 gptkb:Hildebrand_Lock_and_Dam
 gptkb:Morgantown_Lock_and_Dam
 gptkb:Opekiska_Lock_and_Dam
 gptkb:Point_Marion_Lock_and_Dam
 
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                                | gptkbp:hasLockAndDamSystem | yes 
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                                | gptkbp:historicalEvent | gptkb:French_and_Indian_War gptkb:Battle_of_the_Monongahela
 
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                                | gptkbp:length | 130 miles 
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                                | gptkbp:locatedIn | gptkb:Pennsylvania gptkb:United_States
 gptkb:West_Virginia
 
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                                | gptkbp:majorCity | gptkb:Pittsburgh gptkb:Morgantown
 
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                                | gptkbp:mouth | gptkb:Pittsburgh,_Pennsylvania 
 | 
                        
                            
                                | gptkbp:mouthElevation | 710 feet 
 | 
                        
                            
                                | gptkbp:nameOrigin | Native American (Lenape) language 
 | 
                        
                            
                                | gptkbp:notableBuilding | gptkb:Liberty_Bridge gptkb:Smithfield_Street_Bridge
 gptkb:Fort_Pitt_Bridge
 
 | 
                        
                            
                                | gptkbp:notableFeature | gptkb:Monongahela_Incline Monongahela National Forest (named after river)
 
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                                | gptkbp:partOf | gptkb:Mississippi_River_watershed 
 | 
                        
                            
                                | gptkbp:source | gptkb:Fairmont,_West_Virginia 
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                                | gptkbp:sourceElevation | 879 feet 
 | 
                        
                            
                                | gptkbp:tributaryOf | gptkb:Redstone_Creek gptkb:Peters_Creek
 gptkb:George's_Creek
 gptkb:Ohio_River
 gptkb:Cheat_River
 gptkb:Tenmile_Creek
 gptkb:Pigeon_Creek
 gptkb:Dunkard_Creek
 gptkb:Youghiogheny_River
 
 | 
                        
                            
                                | gptkbp:usedFor | gptkb:industry gptkb:navigation
 gptkb:transportation
 
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                                | gptkbp:bfsParent | gptkb:Rivers_of_America 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | The Monongahela 
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