ice-free corridor migration theory
                        
                            GPTKB entity
                        
                    
                Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:migration_theory | 
| gptkbp:associatedWith | gptkb:Clovis_culture | 
| gptkbp:challenge | coastal migration theory | 
| gptkbp:corridor_closed | during Last Glacial Maximum | 
| gptkbp:corridor_location | between Laurentide and Cordilleran ice sheets | 
| gptkbp:corridor_opened | around 13,000 years ago | 
| gptkbp:criticizedFor | lack of early archaeological evidence in corridor | 
| gptkbp:describes | human migration into the Americas | 
| gptkbp:evidence | archaeological sites in Alberta and British Columbia | 
| gptkbp:mainstream_acceptance | mid-20th century | 
| gptkbp:period | gptkb:Late_Pleistocene | 
| gptkbp:proposedBy | 1930s humans migrated through an ice-free corridor | 
| gptkbp:relatedTo | gptkb:Beringia_land_bridge | 
| gptkbp:status | debated | 
| gptkbp:bfsParent | gptkb:pre-Clovis_model | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | ice-free corridor migration theory |