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.
Adams County is a county in the U.S. state of Washington. As of the 2010 census, the population was 18,728. The county seat is at Ritzville, and its largest city is Othello. The county was formed out of Whitman County on November 28, 1883 and is named for the second President of the United States, John Adams. Adams County comprises the Othello, WA Micropolitan Statistical Area, which is also part of the Moses Lake-Othello, WA Combined Statistical Area.