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.
Fort Washington, Maryland is located in Prince Georges County. Zip codes in Fort Washington, MD include 20744, 20749, and 20750. More Fort Washington information.ocal news for Fort Washington, MD continually updated from thousands of sources on the web.