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.
Photo Credit: Photo courtesy U.S. Air Force; Photo by: Abner Guzman. Joint Base Lewis-McChord (JBLM) is located in the beautiful Pacific Northwest on the Puget Sound, in Western Washington, JBLM is near the city of Lakewood, 10 minutes from Tacoma, 35 minutes from Seattle and 20 minutes from Olympia the state capital.