What does external migration mean? The definition of external migration is migrating, or moving, to a new home in a different state, country, or continent. This is a form of human migration. Birds migrate a â¦ t specific times of the year and travel to other states or countries as the seasons change.
Fort Lewis was originally established in 1917 with the passage of a Pierce County bond measure to purchase 70,000 acres (280 km2) of land to donate to the federal government for permanent use as a military installation. A portion of the initial land was taken from the Nisqually tribe's reservation.
Lewis County, New York (NY) County population in 2014: 27,220 (13% urban, 87% rural); it was 26,944 in 2000. County owner-occupied with a mortgage or a loan houses and condos in 2010: 4,252. County owner-occupied free and clear houses and condos in 2010: 3,843. County owner-occupied houses and condos in 2000: 7,734.