Runs of salmon, which engage in vast migrations and were much less directly affected by the spill, have remained strong.

This evolution, of course, has coincided with a vast American migration toward regions of sun and sprawl.

The vast migration of villagers that had swelled the town's population for two decades was abruptly ended.

With such a vast migration, accidents were inevitable.

At dawn this morning, a vast southward migration began.

A vast migration of blacks from the South began during the war and continued in the postwar period.

In addition to this there is a large Clare diaspora due to vast migration during the 19th century.

Four years later, Ms. Washington is a single mother herself, swept up in the vast migration off the nation's welfare rolls.

Countries reeling under the pressure of a vast migration from the poor world are increasingly cracking down on asylum seekers.

The vast human migration to California set off by the discovery of gold affected even the remote Falklands.