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the social process by which immigrants from a particular town follow one another to a different city
the various degenerative effects of distance on human spatial structures and interactions
predicts that the optimal location of a service is directly related to the number of people in the area and inversely related to the distance people must travel to access it
migration flow within a nation-state, such as ongoing westward and southward movements in the US
human relocation movement from a source to a destination without a return journey, as opposed to cyclical movement
a form of migration that involves intermittent but recurrent movement, such as temporary relocation for college or service in the military
those that pull you towards a certain destination, such as weather, economy, and family
the set of all points that can be reached by an individual given a maximum possible speed from a starting point in space-time and an ending point in space-time
migration to a distant destination that occurs in stages. For example, from farm to nearby village to town to city
a seasonal periodic movement of pastoralists and their livestock between lowland and highland pastures
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