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.
Lewistown is a city in and the county seat of Fergus County, Montana, United States. The population was 5,901 at the 2010 census. Lewistown is located in central Montana, the geographic center of the state, southeast of Great Falls. First planned in 1882, it was the site of an 1880s gold rush.