| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:geological_formation
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:affectedArea
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Idaho
                                        
                                         
                                    
                                        
                                            gptkb:Montana
                                        
                                         
                                    
                                        
                                            gptkb:Oregon
                                        
                                         
                                    
                                        
                                            gptkb:Pacific_Northwest
                                        
                                         
                                    
                                        
                                            
                                            Eastern Washington
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:alsoKnownAs
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Missoula_Floods
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:causedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Glacial_Lake_Missoula
                                        
                                         
                                    
                                        
                                            
                                            ice dam failure
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:createdFeature
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Channeled_Scablands
                                        
                                         
                                    
                                        
                                            gptkb:Dry_Falls
                                        
                                         
                                    
                                        
                                            gptkb:Lake_Lewis
                                        
                                         
                                    
                                        
                                            gptkb:Palouse_Falls
                                        
                                         
                                    
                                        
                                            
                                            Willamette Valley flood deposits
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:depositedMaterial
                                    
                                 | 
                                
                                    
                                        
                                            
                                            silt
                                        
                                        
                                         
                                    
                                        
                                            
                                            gravel
                                        
                                        
                                         
                                    
                                        
                                            
                                            boulders
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:duration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            over 2,000 years
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:evidence
                                    
                                 | 
                                
                                    
                                        
                                            
                                            flood deposits
                                        
                                        
                                         
                                    
                                        
                                            
                                            giant current ripples
                                        
                                        
                                         
                                    
                                        
                                            
                                            scabland topography
                                        
                                        
                                         
                                    
                                        
                                            
                                            erratics
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hasInterpretiveTrail
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Ice_Age_Floods_National_Geologic_Trail
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:influenced
                                    
                                 | 
                                
                                    
                                        
                                            
                                            landscape of Pacific Northwest
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:influencedFormationOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Columbia_River_Gorge
                                        
                                         
                                    
                                        
                                            gptkb:Willamette_Valley
                                        
                                         
                                    
                                        
                                            gptkb:Drumheller_Channels
                                        
                                         
                                    
                                        
                                            gptkb:Frenchman_Coulee
                                        
                                         
                                    
                                        
                                            gptkb:Portland_Basin
                                        
                                         
                                    
                                        
                                            gptkb:Sprague_Lake
                                        
                                         
                                    
                                        
                                            gptkb:Telford-Crab_Creek_scabland
                                        
                                         
                                    
                                        
                                            gptkb:Soap_Lake
                                        
                                         
                                    
                                        
                                            gptkb:Saddle_Mountains
                                        
                                         
                                    
                                        
                                            gptkb:Wallula_Gap
                                        
                                         
                                    
                                        
                                            gptkb:Grand_Coulee
                                        
                                         
                                    
                                        
                                            gptkb:Lake_Roosevelt
                                        
                                         
                                    
                                        
                                            gptkb:Lake_Lewis
                                        
                                         
                                    
                                        
                                            gptkb:Moses_Coulee
                                        
                                         
                                    
                                        
                                            
                                            Lake Pend Oreille
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:largestFloodVolume
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2,500 cubic kilometers
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:lastOccurred
                                    
                                 | 
                                
                                    
                                        
                                            
                                            about 13,000 years ago
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:maximumDepth
                                    
                                 | 
                                
                                    
                                        
                                            
                                            up to 120 meters
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:maximumSpeed
                                    
                                 | 
                                
                                    
                                        
                                            
                                            10 million cubic meters per second
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:maximumWaterSpeed
                                    
                                 | 
                                
                                    
                                        
                                            
                                            up to 80 km/h
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:numberOfEvents
                                    
                                 | 
                                
                                    
                                        
                                            
                                            dozens
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:occurredIn
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Pleistocene_epoch
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:proposedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:J_Harlen_Bretz
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:recognizedBy
                                    
                                 | 
                                
                                    
                                        
                                            
                                            geological community
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:relatedTo
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Glacial_Lake_Columbia
                                        
                                         
                                    
                                        
                                            gptkb:Missoula_Ice_Dam
                                        
                                         
                                    
                                        
                                            gptkb:Cordilleran_Ice_Sheet
                                        
                                         
                                    
                                        
                                            gptkb:Glacial_Lake_Missoula
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:subjectOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Ice_Age_Floods_National_Geologic_Trail_Act
                                        
                                         
                                    
                                        
                                            
                                            numerous scientific studies
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:yearProposed
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1923
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Ice_Age_Floods_Playground
                                        
                                         
                                    
                                        
                                            gptkb:Riverfront_Park_Ice_Age_Floods_Playground
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            5
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Ice Age Floods
                                        
                                        
                                         
                                    
                                 |