But a tornado in January wiped out a large portion of the Quapaw Quarter, the old heart of the city.

ECONOMIST: Urban development

The Quapaw Tribe has the honor of having the largest Superfund site in the United States -- it's Tar Creek Superfund site.

WHITEHOUSE: President Obama Opens Tribal Nations Conference

I'm the chairman of the Quapaw Tribe in Oklahoma.

WHITEHOUSE: President Obama Opens Tribal Nations Conference